Add an escape() function to CCM.

Should replace the one provided by NCM::Component.
force option as exported constant
Add unit tests for escaping and unescaping
Merge pull request #23 from piojo/escape-in-ccm

Add escape() function to Element.
[maven-release-plugin] prepare release ccm-14.10.0-rc1
[maven-release-plugin] prepare for next development iteration
Merge pull request #25 from stdweird/constant_exitcode

NOQUATTOR_FORCE as exported constant