Refactoring: Dealloc removed, not needed in ARC.
Hungarian notation in param and member removed.
Removed empty lines.
Removed obsolete import.
Removed commented code.
Removed some analyzer warnings for uncast params to acces index based warnings.
Height calculation for cell was flaky, so it was changed to something more simple with a newer API.
Font size is now taken from Interface Builder settings as well as column width.
Tooltips removed from cell, full text shown.
Merge pull request #347 from NickyWeber/feature/warnings_dynamic_cell_height

Feature/warnings dynamic cell height