Reflect the fact that GeoDataProvider does not depend on cgeoapplication
Reflect the fact that GeoDataProvider does not depend on cgeoapplication

The dependency was useless and confusing, considering that
cgeoapplication is a singleton while GeoDataProvider is not.

samueltardieu/cgeo,marco-dev/c-geo-opensource,auricgoldfinger/cgeo,S-Bartfast/cgeo,brok85/cgeo,auricgoldfinger/cgeo,kumy/cgeo,yummy222/cgeo,madankb/cgeo,ThibaultR/cgeo,superspindel/cgeo,cgeo/cgeo,tobiasge/cgeo,cgeo/cgeo,brok85/cgeo,mucek4/cgeo,marco-dev/c-geo-opensource,mucek4/cgeo,rsudev/c-geo-opensource,madankb/cgeo,SammysHP/cgeo,SammysHP/cgeo,Huertix/cgeo,Huertix/cgeo,yummy222/cgeo,rsudev/c-geo-opensource,vishwakulkarni/cgeo,rsudev/c-geo-opensource,lewurm/cgeo,lewurm/cgeo,Bananeweizen/cgeo,tobiasge/cgeo,ThibaultR/cgeo,samueltardieu/cgeo,schwabe/cgeo,ThibaultR/cgeo,xiaoyanit/cgeo,KublaikhanGeek/cgeo,schwabe/cgeo,marco-dev/c-geo-opensource,mucek4/cgeo,matej116/cgeo,pstorch/cgeo,cgeo/cgeo,Bananeweizen/cgeo,tobiasge/cgeo,pstorch/cgeo,schwabe/cgeo,SammysHP/cgeo,vishwakulkarni/cgeo,superspindel/cgeo,vishwakulkarni/cgeo,Bananeweizen/cgeo,cgeo/cgeo,xiaoyanit/cgeo,schwabe/cgeo,Huertix/cgeo,lewurm/cgeo,kumy/cgeo,superspindel/cgeo,yummy222/cgeo,brok85/cgeo,auricgoldfinger/cgeo,matej116/cgeo,S-Bartfast/cgeo,samueltardieu/cgeo,KublaikhanGeek/cgeo,xiaoyanit/cgeo,matej116/cgeo,KublaikhanGeek/cgeo,kumy/cgeo,pstorch/cgeo,S-Bartfast/cgeo,madankb/cgeo