Upgrade dependency groovy 2.1.7 -> 2.3.6
Upgrade dependency reflectasm 1.07 -> 1.09
Upgrade dependency guava 15.0 -> 17.0
Merge PR # 1176 by @msteiger - lib updates
Tiny versioning tweak to deal with Jenkins/Artifactory server issues. Need to polish the setup again later but this way stuff compiles (TeraBullet and CrashReporter uploaded manually at the existing version level)