Ensure last-modified header is not earlier than created date, weird breakage

- Add check for frozen nodes to avoid trying to update read-only version/etc. nodes

Resolves: https://www.pivotaltracker.com/story/show/76616282
Removing explicit setting of lastModified when creating nodes
Merge pull request #437 from fcrepo4/lastmod2

Removing explicit setting of lastModified when creating nodes
Added a tests and a check to ensure that locks can't be made on already locked nodes.
Merge pull request #438 from mikedurbin/deep-locks

Added a tests and a check to ensure that locks can't be made on already ...

Resolves: https://www.pivotaltracker.com/story/show/77036668
Removed query portion of repository.json.
Merge pull request #439 from mikedurbin/fcrepo-4.0.0-beta-02-RC

Removed query portion of repository.json.
[maven-release-plugin] prepare release fcrepo-4.0.0-beta-02
[maven-release-plugin] prepare for next development iteration
Add workaround for verifier failure

Resolves: https://www.pivotaltracker.com/story/show/77197212
Added methods testDeleteNodeType and testDeleteNodeTypeInvalid to FedoraStoragePolicyTest
Merge pull request #441 from giuliah/fcrepo-FedoraStoragePolicyTest

Added methods testDeleteNodeType and testDeleteNodeTypeInvalid to Fedora...
Make baseURLSet static to avoid running baseURL code with each request

- Add support for enabling many object creation IT with a sytem property, disabled by default

Resolves: https://www.pivotaltracker.com/story/show/77492702
Re-include flag for enabling jacoco unit test coverage reporting on fcrepo-kernel-impl

Follow-on resolution for: https://www.pivotaltracker.com/story/show/77197212
Upgrade modeshape version to 4.0.0.Beta1

Resolves: https://www.pivotaltracker.com/story/show/77806922
Update jacoco dependency to support java 8
fix javadoc tags to be syntactically valid
Update to powermock 1.5.5 for java 8 compatibility
Merge pull request #446 from fcrepo4/jdk8

Update jacoco dependency to support java 8
[maven-release-plugin] prepare release fcrepo-4.0.0-beta-03