Revert changes which broke backwad compatibility based on discussion in jenkins-dev list
Revert javadoc too.
Revert changes in method encode too.
Run Parameter's will now contribute an environment variable for the
target run's display name.

The environment variable will be named <PARAM_NAME>_NAME and will
contain the display name of the target build.
[maven-release-plugin] prepare release jenkins-1.503
[maven-release-plugin] prepare for next development iteration
updated changelog for release
[FIXED JENKINS-16965] Maven 3.0.5 upgrade.
updated changelog as a part of the release
merged back the RC branch
creating an RC branch
the trunk is toward 1.505-SNAPSHOT
removed obsolete comment
Url with contextPath for non-standalone installs.
Merge branch 'revert-ampersand-encoding' of https://github.com/lvotypko/jenkins into pull683

Conflicts:
	core/src/test/java/hudson/UtilTest.java
Added changelog record for pull683
Merge remote-tracking branch 'jenkins/master'
Merge pull request #721 from ialbors/manage_context_menu

Url with contextPath for non-standalone installs.
Merge pull request #720 from petehayes/master

Add run display name as an environment variable when RunParameter is used as a parameter.
Add changelog recoed for pull720 and pull721