Unnecessary label javascript
Merge pull request #1986 from xillibit/k30_bugs21

 Non-static method CKunenaImageFilter::addIncludePath() should not be called statically
Merge pull request #1987 from xillibit/k30_bugs20

Unnecessary label javascript
#1971 Config RSS Feed > Limit Number of Words Per Item : is wrong text
Merge pull request #1989 from xillibit/k30_bugs12

#1971 Config RSS Feed > Limit Number of Words Per Item : is wrong text
Regression after updating template.xml from blue_eagle
Merge pull request #1991 from xillibit/k30_bugs12

Regression after updating template.xml from blue_eagle
Optimize code to load users which have gived a thnakyou