Fix multiple bugs with initial deployment
Testing and other minor improvements.
Remove old JUnit jar
Java: Make GcsReadingChannels serializable.
Java: Flush right away if the buffer is full.
Java: Add an example for appengine_gcs_client.
Python: Remove the old copy of rest_api and storage_api in vme.

Revision created by MOE tool push_codebase.
MOE_MIGRATION=6184
Java:	Make the GcsOutputChannelImpl serializable.
	Change BadRangeException to be used internally returning -1 from read instead.

Python:	Separate out token creation to make it easy to swap implementations.
	Fix a bug in get_token where ts was sometimes referenced before assignment.
	Replace @property with a 25 compatible one.
	Make listbucket more rigorous for pagination.
	Support with statement for read/write streams.
	Fix bugs when reading non existent or empty files.
	Add test cases for writing in block size

Revision created by MOE tool push_codebase.
MOE_MIGRATION=6273
Remove override forcing Java 1.6, update SDK to 1.7.5


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6280
Redo ant build file using ant to retrieve dependencies


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6366
Delete another jar.


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6367
Add maven support for GCS library (excluding example app)
Adjust ant to use same directories structure for source and compiled classes


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6368
Add error imports to package imports

Revision created by MOE tool push_codebase.
MOE_MIGRATION=6369
Disable flushing on buffer full.


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6370
Add error handling for 403


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6371
Change Cloud Storage URL to storage.googleapis.com. 



Revision created by MOE tool push_codebase.
MOE_MIGRATION=6372
Change to stopwatch api.

Revision created by MOE tool push_codebase.
MOE_MIGRATION=6373
Support for flushing a partial buffer.



Revision created by MOE tool push_codebase.
MOE_MIGRATION=6374
Single file rollback to maintain Guava 14.0.1 compat


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6375
Fix how we detect local run.
Temp workaround for a ndb tasklet bug.



Revision created by MOE tool push_codebase.
MOE_MIGRATION=6376
Setting up e2e tests.


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6377
Allow specifying user Id that should be used in token generation


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6378
Revert Guava related changes