Added Commons Imaging service, and partially working response copier.
Rather temperamental stream copier.
Updated and now seems to actually work.
Merge branch 'master' into temp-merge

Conflicts:
	interject-servlet-filter/pom.xml
	interject-servlet-filter/src/main/java/uk/bl/wa/interject/servlet/InterjectRequestFilter.java
	interject-servlet-filter/src/test/resources/interject-filter.properties
Updated and merged the filter.
Renamed to Interjection.
Made naming consistent.