Fix problem with collections in embedded maps.

Fixed
Bump GAE and Guava versions
Logic-neutral reorg of ClassPopulator constructor
Keeping the (disabled) embedded generics test
Prove that Ref/Key filtering works
WIP on projection
Query part of projection works.

Still need to handle transformation of RawValue.
Projection results now translate.
Bump pom to 5.0.4-SNAPSHOT
Added Key.toWebSafeString()
Embedded maps now handle keys of type Key<?> and Enum automatically
Trivial edit
typo
Merge pull request #13 from ArielHaviv/typo

typo
GAE test harness now has a better way to configure job policy
GAE test harness now has a better way to configure job policy
typo
Fixed some POM issues

Removed the GWT reference.
Added provided reference to servlet api.
Latest version of GAE, 1.9.9
Fixed bad assumption about Cursor equality in test

Apparently as of GAE 1.9.6, cursors do not compare with equality after
they have been reversed. Worked with 1.9.5.