corrected saving of landing pages after saving with error
closes #87
fixed bug with wrong landing page url checking
closes #86
Fixed Bug validating language, even loading from session too
Merge branch 'bugfix/languagedef' into develop
removed unneccessary debug message
Merge pull request #91 from drotter/bugfix/86

fixed bug with wrong landing page url checking
Resolved conflicts
Merge pull request #92 from drotter/bugfix/90

fixed problems with delete confirmation on landing pages
fixed presentation error in firefox