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
Merge branch 'testing' of github.com:AppScale/appscale into zk-counter