get-template-library: add support for Travis build environment
get-template-library: add support for Travis build environment

- Allow to use commits from a PR when building the library (--continuous-integration)
- Used for continous integration of the template library

jouvin/release,jouvin/release,wdpypere/release,quattor/release,quattor/release,jrha/release,jrha/release,quattor/release,jouvin/release,wdpypere/release,wdpypere/release,jrha/release