Implement capabilities rest resources using siesta

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Fix capabilities ConjunctionValidator to return all ANDed validation results not only the first one

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Handle Siesta ErrorXO/ValidationErrorXO in sonatypeSumbit action

The fix will mark validation errors from server as in case of restlet1x errors

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge remote-tracking branch 'origin/master' into replace-restlet1x-with-siesta-in-capabilities
Merge remote-tracking branch 'origin/master' into NEXUS-5406-dynamic-source-for-capab-combos
NEXUS-4580: IT
[NEXUS-5405] Automatically merge group level metadata when "/repodata/repomd.xml" is (re)retrieved from proxy

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
[NEXUS-4737] Add patters column to repository targets grid

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge pull request #124 from sonatype/NEXUS-5871-sort-scheduled-tasks-by-name

TRIVAL: [NEXUS-5871] Sort scheduled task types by name
Merge pull request #125 from sonatype/NEXUS-3119-add-user-status-col

REVIEW: [NEXUS-3119] Add user status column to users view.
Merge pull request #122 from sonatype/NEXUS-5456-limit-guice-stopwatch-logger

TRIVIAL: [NEXUS-5456] limit guice stopwatch logger to INFO+
notes about running custom testsuite shards
Update README.md
Merge pull request #123 from sonatype/documentation-page-update

Updates to documentation page
Merge pull request #129 from sonatype/NEXUS-4737-extra-columns-to-repo-targets

REVIEW: [NEXUS-4737] Add patters column to repository targets grid
[NEXUS-5831] Create artifacts/content jars along artifacts/content xmls

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
[NEXUS-5831] Fix assertions about existing files in P2 repos

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge pull request #126 from sonatype/nexus-4997-smtp-ssl

NEXUS-4997: SMTP SSL settings used incorrectly
NEXUS-4580: Field order changed

As Alin commented, to have it aligned with other
tasks having repo parameter.
NEXUS-4580: No code change, comments fixed