bump to ISPN 5.3.0.Alpha1
remove synchronous updateRepositroySize code; calculating the repository size is now done by querying the JCR index
Because of the disappearance of the repo-aduno Maven repository, adds
explicit version 2.7.0 entries to dependencyManagement to manage the
transitive sesame-* dependencies from any23.

Adds fcrepo-thirdparty repository which contain the various aduna-* dependencies which are not
available in Maven Central for any version.
clean up style errors after removal of bookkeeping synchronous code
minor: cleans up unused imports
added integration test infrastrucutre and switched fcrepo-legacy-api to a jersey impl
switched http-api to jersey and changed http-api integration tests to use grizzly
switched RSSPublisher to Jersey impl and changed integration test to use grizzly
changed webapp, generators-rdf and webhooks to jersey impl and switched integration tests to use grizzly
added spring-web as a test-scoped dep
removed test-scope and moved dependencies
Cleaned out CXF stuff and moved version control to fcrepo/pom.xml
fixed some versions in dependency management, bumped guava version to 14
changed spring-aop version on the parent level and hoping for the best
Added CXF excluder rule
rebased master, and had to fix some imports
Re-apply 'clean up style errors after removal of bookkeeping synchronous code', which was reverted by 010d3152c2
reapply 'remove synchronous updateRepositorySize...' which got reverted too.
javadocs
only set the ownerid, lastmodified, etc if this object is new