Remove unnecessary version from nokogiri gem

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Ignore .bundle dir

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Remove version from uuidtools gem entry

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Remove version from loggregator_emitter gem entry

Signed-off-by: Aram Price <aprice@pivotallabs.com>