Add insertFileHeader parameter to Aggregation.
Add myself to contributors section of POM.
Add aggregation example for filename headers (#70).
Add aggregation example for automatic wildcard exclusions (#69).
Merge branch 'master' of https://github.com/dlh3/yuicompressor-maven-plugin into dlh3-master

Conflicts:
	src/main/java/net_alchim31_maven_yuicompressor/Aggregation.java