h1. GammaLib 00-05-00 release

The purpose of the GammaLib 00-05-00 release is to provide a software version that is adapted to the analysis of CTA 1DC data.

The release includes the following changes:

* Update license text
* Add configure options for Mac OSX universal builds
* Break gammalib Python extension into modules
* Comply to CTA event list format v1.0.0
* Implement XML protocol for observation loading
* Add support for CTA 1DC response format
* Add GCTAResponseTable class for response file handling
* Add GCTAModelRadialPolynom model
* Add GCTAModelRadialProfile model
* Add GModelSpectralNodes model
* Correct Npred integration in GCTAModelRadialAcceptance