Merge pull request #67 from arax/master

Updated LICENSE
Applied changes from ed0b2f88855 to master

* Updated dependencies
* Updated VOMS handling
* Fixed integration with rOCCI 2.5.16
Dropped Ruby 1.8.7 support, updated Travis conf.
Merge pull request #69 from arax/master

Applied changes from ed0b2f88855 to master
Updated docs
Fixed link in docs