configurable surefire arglines

Added additional configurable surefire argline parameters with a default for headless build to avoid constant pop-ups of the surefire ForkedBooter
Merge branch 'master' of https://github.com/apache/incubator-usergrid
Preparing for RC5 which will exclude the Portal's bower_components, node_modules and other giti-gnored files.
Permissive license notices should go in license file.
Change to allow Launcher to compile with AppleJavaExtensions v1.4
Exclude all DLL files from the release, and add a README file to each directory that formerly contained DLLs to explain that.
Add some missing headers, and make some header more consistent.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-usergrid