Adding a new colorful theme.

This is based on the zork theme, and looks pretty good with the default
ubuntu terminal color theme.

themes/colorful/colorful.theme.bash

@@ -0,0 +1,62 @@
+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_SVN_CHAR="${bold_cyan}⑆${normal}"
+SCM_HG_CHAR="${bold_red}☿${normal}"
+
+#Mysql Prompt
+export MYSQL_PS1="(\u@\h) [\d]> "
+
+case $TERM in
+        xterm*)
+        TITLEBAR="${cyan}\w${normal}"
+        ;;
+        *)
+        TITLEBAR=""
+        ;;
+esac
+
+PS3=">> "
+
+parse_git_dirty () {
+	DIRTY=${SCM_THEME_PROMPT_CLEAN}
+	git diff --no-ext-diff --quiet --exit-code || DIRTY=${SCM_THEME_PROMPT_DIRTY}
+	if [ git ls-files --others --exclude-standard --error-unmatch -- ':/*' > /dev/null 2> /dev/null ]; then
+		DIRTY=${SCM_THEME_PROMPT_DIRTY}
+	fi
+	echo $DIRTY
+}
+parse_git_branch () {
+	if [ $(scm_char) == $SCM_GIT_CHAR ];
+	then
+		br_name=`git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1/"`
+		echo "$purple[$blue$br_name $(parse_git_dirty)$purple]"
+	else
+		return
+	fi
+}
+
+prompt() {
+    my_ps_host="${bold_yellow}\h${normal}";
+    my_ps_user="${red}\u${normal}";
+    my_ps_root="${red}\u${normal}";
+    my_ps_path="${cyan}\w${normal}";
+
+	if [[ -z "$THEME_PROMPT_CLOCK_FORMAT" ]]
+	then
+		clock="${green}\t${normal}"
+	else
+		clock="${green}$THEME_PROMPT_CLOCK_FORMAT${normal}"
+	fi
+
+    PS1="\[\e]0;\u@\h: \w\a\]${purple}┌─[$my_ps_root${purple}][$my_ps_host${purple}][${my_ps_path}${purple}]$(parse_git_branch)${purple}[$clock${purple}]
+${purple}└─▪ ${reset_color}"
+}
+
+PS2="${purple}└─▪ ${reset_color}"
+
+
+PROMPT_COMMAND=prompt