Updated the Loggregator Emitter gem

Signed-off-by: Alex Jackson <ajackson@pivotallabs.com>
Added the vendor cache for the rails fixture to decrese depenency on rubygems
Merge pull request #67 from cloudfoundry/loggregator_emitter_gem_update

Updated the Loggregator Emitter gem
Emit staging logs to loggregator

Signed-off-by: Alex Jackson <ajackson@pivotallabs.com>
Merge pull request #66 from cloudfoundry/loggregator_staging_logs

emit staging output to loggregator
Revert "Emit staging logs to loggregator"

This reverts commit 4ef5e5ec9f8e43ab0d5857c04378b0834144d890.
Auto-merge remote-tracking branch 'upstream/master'