hide layer checkbox in layer tree if disabled in GetProjectSettings

Development funded by Kanton Solothurn
show/hide legend and metadata tabs in layer info according to GetProjectSettings; hide layer info button in layer tree if both legend and metadata are disabled

Development funded by Kanton Solothurn
manage layer visibility for exclusive layer groups from GetProjectSettings

Development funded by Kanton Solothurn
Merge pull request #11 from qgis/master

Merge from master