updated Cloudbreak API documentation to match OAuth2 based auth
Merge pull request #298 from sequenceiq/gcc-docs

Gcc docs
CLOUD-216 fixed disk and network deletion problems
CLOUD-216 fixed line long
CLOUD-216 refactored poller
Merge pull request #299 from sequenceiq/gcc-fixed-disk

CLOUD-216 fixed disk and network deletion problems
CLOUD-261 use the same hadoop configuration on all cloud providers/ reduce code duplications
CLOUD-261 replace LocalDirBuilderService with a utility class
Merge pull request #301 from sequenceiq/hadoopconf

lgtm
CLOUD-262 volumetype in gcc template
Merge pull request #303 from sequenceiq/ssd-gcc

CLOUD-262 volumetype in gcc template
CLOUD-262 enum annotation added
Merge pull request #304 from sequenceiq/ssd-gcc

lgtm
CLOUD-264 updated aws java library
Merge pull request #305 from sequenceiq/amazon-region-change

CLOUD-264 updated aws java library
CLOUD-265 removed deprecated zone
Merge pull request #306 from sequenceiq/deprecated-zone-remove

CLOUD-265 removed deprecated zone
CLOUD-263 fix stack and cluster name pattern
Merge pull request #307 from sequenceiq/stack-cluster-pattern

CLOUD-263 fix stack and cluster name pattern
CLOUD-156 database name environment variable was not used