adding a permissions field to resource types.
Merge branch 'develop' into feature/permissions-field-for-resources
specify shell script resource as 0755
parse any given file permissions and set appropriately in local data dir
check for file permissions when determining if resource is synced
fix typo
fix typo.
Merge remote-tracking branch 'origin/develop' into feature/permissions-field-for-resources

Conflicts:
	server/src/main/java/com/continuuity/loom/codec/json/current/ResourceCollectionCodec.java
	server/src/main/java/com/continuuity/loom/provisioner/plugin/ResourceCollection.java
	server/src/main/java/com/continuuity/loom/provisioner/plugin/ResourceService.java
	server/src/main/java/com/continuuity/loom/store/provisioner/SQLPluginMetaStoreView.java
	server/src/test/java/com/continuuity/loom/store/provisioner/PluginResourceMetaStoreTest.java
Merge pull request #412 from continuuity/feature/permissions-field-for-resources

Feature/permissions field for resources