Bump the develop branch version to 2.5.2
Bump the develop branch version to 2.5.2

this makes it clearer to people this isn't 2.5.1 on the develop branch, and makes a release a bit easier
trepmal/varying-vagrant-vagrants,Varying-Vagrant-Vagrants/VVV,trepmal/varying-vagrant-vagrants,speartail/VVV,saucal/VVV,Varying-Vagrant-Vagrants/VVV,saucal/VVV,DrewAPicture/varying-vagrant-vagrants,saucal/VVV,DrewAPicture/varying-vagrant-vagrants,Varying-Vagrant-Vagrants/VVV,speartail/VVV