Implemented ranks and ranking up as a peasant

YMMV. Use at your own risk.
test
test
Merge branch 'master' of https://github.com/juhkob/reflection-metadata

Conflicts:
	src/com/etc/reflectionmetadata/ranks/Peasant.java
	src/com/etc/reflectionmetadata/ranks/Squire.java
	src/com/etc/reflectionmetadata/ranks/Trader.java