Fix bogus bash binary location
diff --git a/themes/base.theme.bash b/themes/base.theme.bash
index 503fc57..fe112ec 100644
--- a/themes/base.theme.bash
+++ b/themes/base.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 THEME_PROMPT_HOST='\H'
 SCM_THEME_PROMPT_DIRTY=' ✗'
diff --git a/themes/bobby/bobby.theme.bash b/themes/bobby/bobby.theme.bash
index 4d15010..308b412 100644
--- a/themes/bobby/bobby.theme.bash
+++ b/themes/bobby/bobby.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 SCM_THEME_PROMPT_DIRTY=" ${red}✗"
 SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓"
 SCM_THEME_PROMPT_PREFIX=" |"
diff --git a/themes/candy/candy.theme.bash b/themes/candy/candy.theme.bash
index 64d31b8..e568964 100644
--- a/themes/candy/candy.theme.bash
+++ b/themes/candy/candy.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 function prompt_command() {
     PS1="${green}\u@\h ${blue}\T ${reset_color}${white}\w${reset_color}$(scm_prompt_info)\]${blue} →${bold_blue} ${reset_color} ";
 }
diff --git a/themes/colors.theme.bash b/themes/colors.theme.bash
index a04c8e4..2feb3e9 100644
--- a/themes/colors.theme.bash
+++ b/themes/colors.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 function __ {
   echo "$@"
diff --git a/themes/demula/demula.theme.bash b/themes/demula/demula.theme.bash
index bd48e12..1f13f1e 100644
--- a/themes/demula/demula.theme.bash
+++ b/themes/demula/demula.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash 
+#!/usr/bin/env bash 
 
 # Theme inspired on:
 #  - Ronacher's dotfiles (mitsuhikos) - http://github.com/mitsuhiko/dotfiles/tree/master/bash/
diff --git a/themes/doubletime/doubletime.theme.bash b/themes/doubletime/doubletime.theme.bash
index c79ab5e..6756976 100644
--- a/themes/doubletime/doubletime.theme.bash
+++ b/themes/doubletime/doubletime.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 SCM_THEME_PROMPT_DIRTY=''
 SCM_THEME_PROMPT_CLEAN=''
 SCM_GIT_CHAR="${bold_cyan}±${normal}"
diff --git a/themes/doubletime_multiline/doubletime_multiline.theme.bash b/themes/doubletime_multiline/doubletime_multiline.theme.bash
index b2215a8..d431657 100644
--- a/themes/doubletime_multiline/doubletime_multiline.theme.bash
+++ b/themes/doubletime_multiline/doubletime_multiline.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$BASH_IT/themes/doubletime/doubletime.theme.bash"
 
diff --git a/themes/doubletime_multiline_pyonly/doubletime_multiline_pyonly.theme.bash b/themes/doubletime_multiline_pyonly/doubletime_multiline_pyonly.theme.bash
index d9d7c3a..5073507 100644
--- a/themes/doubletime_multiline_pyonly/doubletime_multiline_pyonly.theme.bash
+++ b/themes/doubletime_multiline_pyonly/doubletime_multiline_pyonly.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$BASH_IT/themes/doubletime/doubletime.theme.bash"
 
diff --git a/themes/envy/envy.theme.bash b/themes/envy/envy.theme.bash
index d2f6a00..a0b8a99 100644
--- a/themes/envy/envy.theme.bash
+++ b/themes/envy/envy.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 SCM_THEME_PROMPT_DIRTY=" ${red}✗"
 SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓"
 SCM_THEME_PROMPT_PREFIX=" |"
diff --git a/themes/hawaii50/hawaii50.theme.bash b/themes/hawaii50/hawaii50.theme.bash
index 0b1fe3b..b693750 100644
--- a/themes/hawaii50/hawaii50.theme.bash
+++ b/themes/hawaii50/hawaii50.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # This theme was obviously inspired a lot by 
 #
diff --git a/themes/n0qorg/n0qorg.theme.bash b/themes/n0qorg/n0qorg.theme.bash
index 2b9def6..dd39faf 100644
--- a/themes/n0qorg/n0qorg.theme.bash
+++ b/themes/n0qorg/n0qorg.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # n0qorg theme by Florian Baumann <flo@noqqe.de>
 
 ## look-a-like
diff --git a/themes/pete/pete.theme.bash b/themes/pete/pete.theme.bash
index cda451e..7968e53 100644
--- a/themes/pete/pete.theme.bash
+++ b/themes/pete/pete.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 prompt_setter() {
   # Save history
diff --git a/themes/rainbowbrite/rainbowbrite.theme.bash b/themes/rainbowbrite/rainbowbrite.theme.bash
index 1179230..3d92db7 100644
--- a/themes/rainbowbrite/rainbowbrite.theme.bash
+++ b/themes/rainbowbrite/rainbowbrite.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # based off of n0qorg
 # looks like, if you're in a git repo:
diff --git a/themes/simple/simple.theme.bash b/themes/simple/simple.theme.bash
index 2dcd7e7..39e16a1 100644
--- a/themes/simple/simple.theme.bash
+++ b/themes/simple/simple.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # prompt themeing
 
diff --git a/themes/tylenol/tylenol.theme.bash b/themes/tylenol/tylenol.theme.bash
index d8b63ef..4c88e21 100644
--- a/themes/tylenol/tylenol.theme.bash
+++ b/themes/tylenol/tylenol.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Based on 'bobby' theme with the addition of virtualenv_prompt
 #
diff --git a/themes/zitron/zitron.theme.bash b/themes/zitron/zitron.theme.bash
index 3ec4d97..7737d07 100644
--- a/themes/zitron/zitron.theme.bash
+++ b/themes/zitron/zitron.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # zitron theme by Florian Baumann <flo@noqqe.de>
 
 ## git-theme