Clean up SCM connection metadata
Clean up SCM connection metadata

We use git:// for the read-only connection, since it is much faster than
using SSH.

We also strip the unnecessary ".git" suffixes, and use "https" for the
URL because GitHub always redirects to HTTPS anyway.

Moosemorals/nar-maven-plugin,markjohndoyle/nar-maven-plugin,Zetten/nar-maven-plugin,muzare/nar-maven-plugin,revolsys/nar-maven-plugin,muzare/nar-maven-plugin,manu4linux/nar-maven-plugin,Moosemorals/nar-maven-plugin,heathn/nar-maven-plugin,markjohndoyle/nar-maven-plugin,diyessi/nar-maven-plugin,diyessi/nar-maven-plugin,markBowman/nar-maven-plugin,dmakarov/nar-maven-plugin,maven-nar/cpptasks-parallel,manu4linux/nar-maven-plugin,Oneplus/nar-maven-plugin,revolsys/nar-maven-plugin,manu4linux/nar-maven-plugin,maven-nar/nar-maven-plugin,revolsys/nar-maven-plugin,Moosemorals/nar-maven-plugin,dmakarov/nar-maven-plugin,dugilos/nar-maven-plugin,diyessi/nar-maven-plugin,Oneplus/nar-maven-plugin,markBowman/nar-maven-plugin,eyalg1972/nar-maven-plugin,revolsys/nar-maven-plugin,eyalg1972/nar-maven-plugin,heathn/nar-maven-plugin,Moosemorals/nar-maven-plugin,maven-nar/nar-maven-plugin,muzare/nar-maven-plugin,revolsys/nar-maven-plugin,maven-nar/cpptasks-parallel,dugilos/nar-maven-plugin,muzare/nar-maven-plugin,manu4linux/nar-maven-plugin,markBowman/nar-maven-plugin,maven-nar/nar-maven-plugin,dugilos/nar-maven-plugin,Zetten/nar-maven-plugin,dugilos/nar-maven-plugin,dmakarov/nar-maven-plugin,dmakarov/nar-maven-plugin,markjohndoyle/nar-maven-plugin,markjohndoyle/nar-maven-plugin,maven-nar/nar-maven-plugin,eyalg1972/nar-maven-plugin,Zetten/nar-maven-plugin,heathn/nar-maven-plugin,diyessi/nar-maven-plugin,Zetten/nar-maven-plugin,muzare/nar-maven-plugin,Moosemorals/nar-maven-plugin,eyalg1972/nar-maven-plugin,heathn/nar-maven-plugin,Oneplus/nar-maven-plugin,heathn/nar-maven-plugin,Oneplus/nar-maven-plugin,markBowman/nar-maven-plugin,maven-nar/nar-maven-plugin,manu4linux/nar-maven-plugin,markBowman/nar-maven-plugin,eyalg1972/nar-maven-plugin,dugilos/nar-maven-plugin,Zetten/nar-maven-plugin,markjohndoyle/nar-maven-plugin,diyessi/nar-maven-plugin,dmakarov/nar-maven-plugin,Oneplus/nar-maven-plugin