Locked tiles to groovy 2.3.7

Forcing maven to search for new groovy versions on every
build is pointless. This adds an additional range check every
day that serves little purpose.

Change-Id: Ic8f38179c89b7ee1e85e6456b145dc29cedf3ebc
Updated to filtering 1.3

Change-Id: I8eb732f797e60a1aa0e87bff207ddac6d2a27820
[maven-release-plugin] prepare release tiles-maven-plugin-1.8

Change-Id: I7a2813bb5bd08ca7c850c7581b96978d584c3835
[maven-release-plugin] prepare for next development iteration

Change-Id: I2aaa0ac5bf013512a2786aa4ba07a0084a4efed1