Merge pull request #2377 from mahagr/develop

Merge pending changes from HMVC branch into develop
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Merge pull request #2381 from xillibit/kdev_patch-1

Notice: Undefined variable: category in ...category.php on line 30 (Thanks GJSchaller)
Set Joomla! 2.5.19 and 3.2.3 for minimum version pre-check
Add btn class on buttons in announcement item
In profile display correctly the link to private messages box
Fix website link display into user profile
Merge pull request #2394 from xillibit/kdev-patch-4

Set Joomla! 2.5.19 and 3.2.3 for minimum version pre-check
Merge pull request #2396 from xillibit/kdev-patch-5

Add btn class on buttons in announcement item
Merge pull request #2398 from xillibit/kdev-patch-6

In profile display correctly the link to private messages box
Merge pull request #2400 from xillibit/kdev-patch-7

Fix website link display into user profile
K3.1 Blue Eagle J! 2.5.19: undefined editor tool #2410
Merge pull request #2417 from xillibit/k31_bugs3

K3.1 Blue Eagle J! 2.5.19: undefined editor tool #2410