[maven-release-plugin] prepare for next development iteration
Fix JENKINS-14010

Changed triggers to use extension point and Decribable/Descriptor and
then moved to a hetero-list for adding them to a job.
Fix test build issue
Fixed JENKINS-18157

Check if file already ends with .jelly and don't add if it does.
Remove spc
Remove unused imports and methods
Add Junit report in groovy html template
Merge pull request #69 from praagii/master

Add Junit report in groovy html template
Null handling for entry.getMsg()

Without this null check, a null msg will cause an NPE which travels up and aborts the entire TokenMacro.expandAll call.   As a use case, the Jenkins Accurev SCM plugin will produce this (literal null) if a commit msg is not provided by the user:  

"changeSet" : {
    "items" : [
      {
        "affectedPaths" : [
          "foo/bar/Baz.java"
        ],
        "author" : {
          "absoluteUrl" : "http://someurlhere/whatever",
          "fullName" : "Mr FooBar"
        },
        "commitId" : null,
        "msg" : null,
        "timestamp" : -1
      }
    ],
    "kind" : null
  }
Merge pull request #70 from fooshards/master

Token Replacement fix
[JENKINS-18609] Triggers two mails: UNSTABLE and REGRESSION

https://issues.jenkins-ci.org/browse/JENKINS-18609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel
[JENKINS-18609] Triggers two mails: UNSTABLE and IMPROVEMENT

The improvement trigger is only triggered when there are LESS failing tests. It implies being UNSTABLE or STILL UNSTABLE. Otherwise it would be SUCCESS or FIXED.
This modification makes the IMPROVEMENT trigger overriding the UNSTABLE or STILL UNSTABLE triggers.
[JENKINS-18609] Triggers two mails: UNSTABLE and REGRESSION

Also needs to override the StillUnstable trigger.
Merge pull request #72 from stephanebruckert/patch-3

[JENKINS-18609] Triggers two mails: UNSTABLE and IMPROVEMENT
Merge pull request #71 from stephanebruckert/patch-2

[JENKINS-18609] Triggers two mails: UNSTABLE and REGRESSION
Various fixes and updates
Merge branch 'master' of https://github.com/jenkinsci/email-ext-plugin
Update ChangesSinceLastBuildContent.java

Fix stupid NetBeans issue
Added commented version for parent

This will allow testing against latest as a reminder.
add new FixedUnhealthy trigger