Improved: Add rat exclude files to excludes those files that does not need
license header
No functional change, most should be done now, the rest needs to be checked
# The following files are excluded:
OPTIONAL_LIBRARIES
+README.md
+
.*gitignore
.*hgignore
-.*md
-.*project
+**/*.md
**/docbook/**
+**/applications/content/dtd/**
+**/ping.txt
+**/.project
+**/plugins/solr/home/solrdefault/**
+**/themes/common/webapp/common/js/jquery/**
+**/themes/rainbowstone/webapp/rainbowstone/flags/**
+**/themes/rainbowstone/webapp/rainbowstone/images/**
