fixed bug when adding contacts to account without position
fixed toolbar options when nothing is selected
fixed toolbar options when nothing is selected for account contacts
Merge branch 'develop' of git://github.com/sulu-cmf/SuluContactBundle into bugfix/minor-bugfixes-part2
fixed bug in display of error message
Merge pull request #137 from sulu-cmf/bugfix/minor-bugfixes-part2

[BUGFIX] fixed minor bugfixes