altered appcontroller to pass GCE project id to infrastructure manager
moved GCE project id credential to be more accessible to infrastructure manager
added gce_agent in and added unit tests for it
fixed format error in GCE_URL and enabling root login correctly in GCE
Merge remote-tracking branch 'org/testing' into gce-support
java 1.8.0 sdk changes
Merge branch 'java_180' of github.com:jovanchohan/appscale into testing
Fixing xmpp constructor in channel
java sdk update
Fixed spacing
Merge pull request #524 from jovanchohan/java_180_sdk

Java 180 sdk
Merge pull request #520 from shatterednirvana/gce-support

Added support for Google Compute Engine
not using hardcoded instance type when spawning gce nodes
Merge pull request #526 from shatterednirvana/specify-instance-type-in-gce

not using hardcoded instance type when spawning gce nodes
ZK counters for allocate IDs.
fixed things from code review
fixed things from code review
fixed things from code review
Merge pull request #527 from nlake44/db-perf2

ZK counters for allocate IDs.
Fixing continue url and cookie validation