New FairSoft patch releases

The gtest download location has changed.
This results in a crash of the installation process.

The scripts were corrected to use the new location. The correction was done for the following branches and tags.

Branches: dev, jul15_patches, nov15_patches, may16_patches
Tags: jul15p7, nov15p7, may16p1

Please check on our GitHub release page at

https://github.com/FairRootGroup/FairSoft/releases

for more information.