more customizations to prompt theme

made colors more modular and easy to change
changed some colors around
added function to dynamically pick the prompt character
changed the prompting character at end of prompt
diff --git a/themes/rjorgenson/rjorgenson.theme.bash b/themes/rjorgenson/rjorgenson.theme.bash
index 42d58a3..1d4c261 100644
--- a/themes/rjorgenson/rjorgenson.theme.bash
+++ b/themes/rjorgenson/rjorgenson.theme.bash
@@ -1,11 +1,16 @@
 # port of zork theme
 
+# set colors for use throughout the prompt
+# i like things consistent
+BRACKET_COLOR=$blue
+STRING_COLOR=$green
+
 SCM_THEME_PROMPT_PREFIX=""
 SCM_THEME_PROMPT_SUFFIX=""
 
 SCM_THEME_PROMPT_DIRTY=' ${bold_red}✗${normal}'
 SCM_THEME_PROMPT_CLEAN=' ${bold_green}✓${normal}'
-SCM_GIT_CHAR='${bold_green}±${normal}'
+SCM_GIT_CHAR='${STRING_COLOR}±${normal}'
 SCM_SVN_CHAR='${bold_cyan}⑆${normal}'
 SCM_HG_CHAR='${bold_red}☿${normal}'
 
@@ -28,20 +33,20 @@
   [ "$gemset" != "" ] && gemset="@$gemset"
     local version=$(echo $MY_RUBY_HOME | awk -F'-' '{print $2}')
     local full="$version$gemset"
-  [ "$full" != "" ] && echo "[$full]"
+  [ "$full" != "" ] && echo "${BRACKET_COLOR}[${STRING_COLOR}$full${BRACKET_COLOR}]${normal}"
 }
 
 is_vim_shell() {
         if [ ! -z "$VIMRUNTIME" ]
         then
-                echo "[${cyan}vim shell${normal}]"
+                echo "$BRACKET_COLOR[${STRING_COLOR}vim shell$BRACKET_COLOR]$normal"
         fi
 }
 
 todo_txt_count() {
 	if `hash todo.sh 2>&-`; then
 		count=`todo.sh ls | egrep "TODO: [0-9]+ of ([0-9]+) tasks shown" | awk '{ print $4 }'`
-		echo "[T:$count]"
+		echo "$BRACKET_COLOR[${STRING_COLOR}T:$count$BRACKET_COLOR]$normal"
 	fi
 }
 
@@ -51,29 +56,37 @@
         then
                 return
         else
-                echo "[$(scm_char)][$(scm_prompt_info)]"
+                echo "$BRACKET_COLOR[$(scm_char)$BRACKET_COLOR][$STRING_COLOR$(scm_prompt_info)$BRACKET_COLOR]$normal"
         fi
 }
 
+my_prompt_char() {
+	if [[ $OSTYPE =~ "darwin" ]]; then
+		echo "${BRACKET_COLOR}➞  ${normal}"
+	else
+		echo "${BRACKET_COLOR}➞ ${normal}"
+	fi
+}
+
 prompt() {
 
-    my_ps_host="${bold_green}\h${normal}";
-    my_ps_user="${bold_green}\u${normal}";
+    my_ps_host="${STRING_COLOR}\h${normal}";
+    my_ps_user="${STRING_COLOR}\u${normal}";
     my_ps_root="${bold_red}\u${normal}";
-    my_ps_path="${bold_cyan}\w${normal}";
+    my_ps_path="${STRING_COLOR}\w${normal}";
 
     # nice prompt
     case "`id -u`" in
-        0) PS1="${TITLEBAR}┌─[$my_ps_root][$my_ps_host]$(modern_scm_prompt)$(__my_rvm_ruby_version)[${cyan}\w${normal}]$(is_vim_shell)
-└─▪ "
+        0) PS1="${TITLEBAR}${BRACKET_COLOR}┌─[$my_ps_root${BRACKET_COLOR}][$my_ps_host${BRACKET_COLOR}]$(modern_scm_prompt)$(__my_rvm_ruby_version)${BRACKET_COLOR}[${STRING_COLOR}\w${BRACKET_COLOR}]$(is_vim_shell)
+${BRACKET_COLOR}└─$(my_prompt_char)${normal}"
         ;;
-        *) PS1="${TITLEBAR}┌─[$my_ps_user][$my_ps_host]$(modern_scm_prompt)$(__my_rvm_ruby_version)[${cyan}\w${normal}]$(is_vim_shell)
-└─▪$(todo_txt_count) "
+        *) PS1="${TITLEBAR}${BRACKET_COLOR}┌─[$my_ps_user${BRACKET_COLOR}][$my_ps_host${BRACKET_COLOR}]$(modern_scm_prompt)$(__my_rvm_ruby_version)${BRACKET_COLOR}[${STRING_COLOR}\w${BRACKET_COLOR}]$(is_vim_shell)
+└─$(todo_txt_count)$(my_prompt_char)"
         ;;
     esac
 }
 
-PS2="└─▪ "
+PS2="└─$(my_prompt_char)"