2.2.3 Concurrency bug fix and group Id -> com.github.rwperrott

Change coordinates to be compatible with jitpack.io and added maven u…

2.2.2 LICENCE and Javadocs update

Javadocs fix

2.2.1 coordinates move

Changed coordinates to:
rwperrott
rwperrott-string-template-utils
2.2.1

2.2.0

No longer just for AttributeRenders and ModelAdapters, but also utility classes split off my majority rebuild of string-template-maven-plugin.