Add highlighting of rule in build statements
Add highlighting of rule in build statements

Highlight the rule being used in a build statement.  Also add `.` to acceptable characters in a rule name and relax whitespace matching before the name.
metti/ninja,sxlin/dist_ninja,jimon/ninja,Qix-/ninja,ilor/ninja,atetubou/ninja,jendrikillner/ninja,autopulated/ninja,ctiller/ninja,mohamed/ninja,jendrikillner/ninja,martine/ninja,dendy/ninja,sxlin/dist_ninja,sxlin/dist_ninja,ctiller/ninja,nico/ninja,sxlin/dist_ninja,colincross/ninja,ThiagoGarciaAlves/ninja,ndsol/subninja,ilor/ninja,nicolasdespres/ninja,moroten/ninja,rjogrady/ninja,sxlin/dist_ninja,liukd/ninja,martine/ninja,hnney/ninja,sgraham/ninja,automeka/ninja,kissthink/ninja,fuchsia-mirror/third_party-ninja,ilor/ninja,atetubou/ninja,juntalis/ninja,vvvrrooomm/ninja,automeka/ninja,mgaunard/ninja,colincross/ninja,kissthink/ninja,ninja-build/ninja,atetubou/ninja,Maratyszcza/ninja-pypi,mgaunard/ninja,sgraham/ninja,nafest/ninja,bradking/ninja,iwadon/ninja,sgraham/ninja,mgaunard/ninja,nafest/ninja,ThiagoGarciaAlves/ninja,autopulated/ninja,ninja-build/ninja,synaptek/ninja,guiquanz/ninja,lizh06/ninja,moroten/ninja,tfarina/ninja,mgaunard/ninja,colincross/ninja,AoD314/ninja,colincross/ninja,guiquanz/ninja,mydongistiny/ninja,iwadon/ninja,sxlin/dist_ninja,fuchsia-mirror/third_party-ninja,mydongistiny/ninja,Qix-/ninja,rjogrady/ninja,moroten/ninja,vvvrrooomm/ninja,ignatenkobrain/ninja,nafest/ninja,hnney/ninja,tfarina/ninja,mydongistiny/ninja,dendy/ninja,fuchsia-mirror/third_party-ninja,liukd/ninja,synaptek/ninja,syntheticpp/ninja,bmeurer/ninja,dendy/ninja,jendrikillner/ninja,metti/ninja,sgraham/ninja,maruel/ninja,mohamed/ninja,ThiagoGarciaAlves/ninja,juntalis/ninja,ndsol/subninja,Ju2ender/ninja,nafest/ninja,maruel/ninja,Ju2ender/ninja,liukd/ninja,bmeurer/ninja,kissthink/ninja,jendrikillner/ninja,nico/ninja,martine/ninja,ninja-build/ninja,ignatenkobrain/ninja,nicolasdespres/ninja,AoD314/ninja,jimon/ninja,nicolasdespres/ninja,dendy/ninja,vvvrrooomm/ninja,bmeurer/ninja,lizh06/ninja,liukd/ninja,bmeurer/ninja,nico/ninja,guiquanz/ninja,mohamed/ninja,automeka/ninja,juntalis/ninja,nicolasdespres/ninja,ndsol/subninja,Maratyszcza/ninja-pypi,Qix-/ninja,Maratyszcza/ninja-pypi,ndsol/subninja,dorgonman/ninja,ThiagoGarciaAlves/ninja,juntalis/ninja,tfarina/ninja,Qix-/ninja,fuchsia-mirror/third_party-ninja,iwadon/ninja,syntheticpp/ninja,mydongistiny/ninja,ctiller/ninja,vvvrrooomm/ninja,ignatenkobrain/ninja,mohamed/ninja,iwadon/ninja,AoD314/ninja,guiquanz/ninja,Maratyszcza/ninja-pypi,martine/ninja,autopulated/ninja,synaptek/ninja,bradking/ninja,rjogrady/ninja,lizh06/ninja,bradking/ninja,ilor/ninja,jimon/ninja,atetubou/ninja,tfarina/ninja,rjogrady/ninja,maruel/ninja,AoD314/ninja,ignatenkobrain/ninja,metti/ninja,lizh06/ninja,automeka/ninja,syntheticpp/ninja,syntheticpp/ninja,ninja-build/ninja,autopulated/ninja,kissthink/ninja,hnney/ninja,maruel/ninja,metti/ninja,dorgonman/ninja,Ju2ender/ninja,sxlin/dist_ninja,synaptek/ninja,bradking/ninja,jimon/ninja,Ju2ender/ninja,dorgonman/ninja,dorgonman/ninja,nico/ninja,ctiller/ninja,moroten/ninja,hnney/ninja