tinyTiM 2.0.0 release

Release of the final ("This is it") version of tinyTiM 2.0.0. This
version is compatible to TMAPI 2.0.x.

Changes as follows:
* Updated TMAPI to 2.0.2 (kept compatibility to 2.0 and 2.0.1)
* Fixed LocatorImpl (the impl. of "equals" was different from the TMAPI 2.0 specs)
* tinyTiM is usable as an OSGi bundle
* Added support to convert XTM 1.0 class-instance relationships to TMDM type-instance relationships
* Added support to convert XTM 1.0 PSIs to TMDM PSIs
* Moved to Ontopia's Compact(Hash|Identity)Set instead relying on Java's default implementations
* Removed support for trove's collections
* Bug #2926983 -- Merging of associations fails