Improves README.md and adds license as text file
Changes package to org.restdoc.server.jersey

Old package: com.allweathercomputing.restdoc.server.jersey
Merge branch 'master' into hoegertn

Conflicts:
	src/main/java/com/allweathercomputing/restdoc/server/jersey/RestDocFeature.java
	src/main/java/org/restdoc/jersey/server/RestDocFeature.java
	src/main/java/org/restdoc/server/jersey/RestDocFeature.java