Bump KZ version to 0.5.5
Merge remote-tracking branch 'origin/master' into bump-kazuki-055
Merge pull request #520 from sonatype/bump-kazuki-055

Bump KZ version to 0.5.5
Attempt to set X-Frame-Options: SAMEORIGIN on every response
[NEXUS-6241] Support Request feature
NEXUS-6564: no need to re-check access when internally retrieving OBR metadata (if request originates from the outside then access has already been checked, if request is coming from an internal event then it is already trusted)
Merge remote-tracking branch 'origin/master' into NEXUS-6569-add-x-frame-options
NEXUS-6569: Fixing ITs use of equal method

Using Matchers.equalTo for that
NEXUS-6569: CommonHeadersFilter applies std headers before passing on

To ensure that headers are always added. See issue comments
(Stuart's and Chris' comments)
NEXUS-6569: Typo in UT
[NEXUS-6582][NEXUS-6583] Yum generate metadata task Single RPM per directory / Force Full Scan options
[NEXUS-6569] Add X-Content-Options header
Update text, only show if authenticated w/perms and edition != OSS
Update icon
Add tooltip
Use strong insteead of quotes
[NEXUS-6592] Update to fontawesome 4.1.0
Merge pull request #526 from sonatype/NEXUS-6592-update-fontawesome

TRIVAL: [NEXUS-6592] Update to fontawesome 4.1.0
Merge branch 'master' into NEXUS-6241-support-request
[NEXUS-6241] update url