Merge pull request #1 from kprofic/master

SectionManagement category
Merge branch 'master' of https://github.com/kprofic/NinjaTableView
NGCollectionTableViewCell - initial draft and demo.
NGCollectionTableViewCell - support for item preselecting
Merge pull request #2 from kprofic/master

Fixed crash on ScrollView dealloc
Merge commit 'aaa266a47fd5fce163967c44c9f4fa63a6c4224c'
NGNinjaTableView - fix bug in initialisation. Remove needless code.
Merge branch 'master' of https://github.com/izydor86/NinjaTableView
NGCollectionTableViewCell - fix crash bug
Merge commit '8e807e7e71231ab76ea305024564da28016e8513'