Bug 415573 - [Viewers] Add generics to the ILazyContentProvider

Change-Id: Id2812020314fa7cb301d7a1a9b78443f7e3aa575
Signed-off-by: Hendrik Still <hendrik.still@gammas.de>
Bug 415561 - [Viewers] Add generics to the Table Label/Font/Color
Provider interfaces

Added generic type parameters to
ITableLabelProvider/ITableFontProvider/ITableColorProvider

Change-Id: I1ef4e373aeeb7f633c733b566697f43e13996c3d
Signed-off-by: Hendrik Still <hendrik.still@gammas.de>