[2.0][DDC-366] Fixed. Fully qualified names were borked in the lexer as well. Tests didnt catch it because of unfortunate namespace constellations. Fixed now.

[2.0][DDC-183] Fixed issue with Annotations parser failing on identifiers that matches with token types.

[2.0] More refactorings in Annotations parser and DQL parser. Now they only use constants instead of string processment

[2.0] Some Annotations parser docblocks, optimizations, etc. Fixed wrong syntax error token report in DQL parser

[2.0] New Annotation API work: Simplifications, changed namespace separator to match the one of PHP, adjusted Lexer to swallow any * characters outside of a string value to be more forgiving when it comes to formatting.

[2.0] Moved cache drivers to Common package. Added new annotation parser implementation to Common package. AnnotationDriver in ORM not yet migrated.