Add two triggers for button override.

It's a quite simple trigger.
I thought I could use the Activity integration but, I wasn't sure that it was the right place.
Merge pull request #1288 from mahagr/master

Merge all changes from Kunena 2.0.4
add Hindi (India) language code
Merge pull request #1290 from mahagr/master

Administration: Add Bootstrap template
Merge pull request #1293 from mahagr/master

Administrator: Move Joomla 3.0 template out of views folder
Merge pull request #1295 from mahagr/master

Clean up categories view for Joomla 3.0 and fix left navigation from all layouts
Merge pull request #1296 from mahagr/master

Administrator: Improve tools, ranks and smiley layouts for J3.0
Merge pull request #1297 from mahagr/master

Administrator: Complete all remaining layouts for J3.0
Not possible to select items in some views
Merge pull request #1298 from xillibit/k30_bugs_checked

Not possible to select items in some views
Merge pull request #1304 from mahagr/master

Put back old date strings for Kunena 2.0 translations
Merge pull request #1289 from svanschu/patch-5

add Hindi (India) language code
Kunena30/Joomla30 Backend: Added top level view titles.
Merge pull request #1306 from coder4life/master

Kunena30/Joomla30 Backend: Added top level view titles.
Merge remote branch 'upstream/master'
Changed all files to use unix style line endings
Merge pull request #1194 from obsidev/TriggerButtons

Add two triggers for button override.
Joomla 3.0: Fix current URL detection in KunenaRoute
#1300 Some Buttons missing their corresponding images
#13113 K3.0 UddeIM Plugin