Minor license update

Added EGI-InSPIRE & CESNET, updated years
Fixes EGI-FCTF/rOCCI-cli#2

Updated old docs and invalid examples showing linking with the
`create` action. This is no longer supported.
Merge pull request #3 from arax/docs_fix

Minor updates in docs
Fixes EGI-FCTF/rOCCI-cli#1

Added the `--skip-ca-check` option for skipping server cert
validation on SSL connections.
Merge pull request #4 from arax/ca_valid

Option to allow insecure SSL connections (without strict validation)
Added 'spec' task and Ruby 2.1.1 for testing
Minor version bump for rOCCI-api
Minor version bump to 4.2.4
Bumped rOCCI-api version to 4.2.5
Minor version bump to 4.2.5