* [control file] Add optional 'Homepage' tag
This allows a 'Homepage' tag to be added to a port in order to support
changes such as PR #2933. It currently does not do anything with it.
* [docs]
Add Homepage to the control file documentation
* move urls from descriptions to homepage field.
* [librabbitmq/glbinding] Port update
* fix librabbitmq uwp warning.
* [glbinding/globjects] Fix glbinding::KHRplatform was not found and globjects built failed
* Update glbinding to v3.0.2
Because glbinding introduced a new auxiliary library glbinding-aux the
CMake export/config file organization had to be changed.
* [glbinding] Simplify targets handling. General port cleanup. Force system-style install on all platforms.
* [glbinding] Fix glbinding-config.cmake
* [globjects] Pin forward to handle changes in glbinding 3.x
