J3.0 Administration: Fatal error in diagnostics page
Merge remote-tracking branch 'origin/master'

Conflicts:
	components/com_kunena/admin/template/joomla25/tools/diagnostics.php
Admin tools: Fix aliases during category recount
Fix #1745: Preview link doesn't have menu item
Fix #1760: No categories are shown on first visit
Merge pull request #1776 from mahagr/master

Fix #1745, #1760, fatal error in diagnostics & fix aliased during category recount
#1777 Untranslated language string - COM_KUNENA_USER_BANNED_DONE
Missing userid in links to go to jomsocial userprofile
Fix broken BBCode and some legacy BBCode issues derived from PHP4 support.
Merge branch 'master' of git://github.com/Kunena/Kunena-Forum
Merge pull request #1782 from coder4life/master

BBCode fix.
Merge pull request #1781 from xillibit/k30_bugs10

Missing userid in links to go to jomsocial userprofile
Fix #1779: Revert JEventDispatcher to JDispatcher (J2.5)
Fix #1778: Log only errors and delete log file on installation
Merge pull request #1785 from mahagr/master

Fix #1779, #1778
Merge pull request #1780 from xillibit/k30_bugs16

#1777 Untranslated language string - COM_KUNENA_USER_BANNED_DONE
Re-enable GIT install in tools
#1788 Different Language issues (J! 2.5.x & J! 3.1.1)
Merge pull request #1791 from xillibit/k30_bugs16

#1788 Different Language issues (J! 2.5.x & J! 3.1.1)
#1792 Only J 2.5 Ban or unban user in backend