Fix wrong url for purge
Merge pull request #4 from mbehrendt/fix-wrong-url-for-purge

Fix wrong url for purge
Differentiate between global_messages and messages blocks to show all messages.
Added external purge form including cache warm up
Use ->count() to get accurate number
Merge pull request #6 from mbehrendt/purge_form

Added external purge form including cache warm up
Merge pull request #7 from mbehrendt/fix-url-counter

Use ->count() to get accurate number
Merge pull request #5 from gruenspar/master

Global messages support