geanyctags: Don't implicitly convert pointer to boolean
geanygendoc: Update to the latest Geany tagmanager API
geanyprj: Update to the latest Geany tagmanager API
gproject: Update to the latest Geany tagmanager API
Merge pull request #165 from techee/tm

Tm
Merge pull request #175 from b4n/geanyctags/fixes

geanyctags: Don't implicitly convert pointer to boolean
geanyvc: Don't mix allocators
geanyprj: Don't mix allocators
Remove now redundant prototypes

These prototypes never were really useful, and are redundant now Geany
provides them.
Set -O2 compiler flag by default for gcc

But only if no other optimization flags could be found.
geanyprj: Show the plugin name in the plugin manager instead of generic "Project"
Merge branch 'master' into feature/code-cleaning