Added "sirup" theme.

themes/sirup/sirup.theme.bash

@@ -0,0 +1,18 @@
+# For unstaged(*) and staged(+) values next to branch name in __git_ps1
+GIT_PS1_SHOWDIRTYSTATE="enabled"
+
+function rvm_version_prompt {
+  local gemset=$(echo $GEM_HOME | awk -F'@' '{print $2}')
+
+  [ "$gemset" != "" ] && gemset="@$gemset"
+  local version=$(echo $MY_RUBY_HOME | awk -F'-' '{print $2}')
+
+  [ "$version" == "1.9.2" ] && version=""
+
+  local full="$version$gemset"
+
+  [ "$full" != "" ] && echo "$full"
+}
+
+# Check http://github.com/Sirupsen/dotfiles for screenshot
+PS1='\[$blue\]\W/\[$bold_blue\]$(rvm_version_prompt)\[$bold_green\]$(__git_ps1 " (%s)") \[${normal}\]$ '