Update pom.xml

3.0.x denotes https://github.groupondev.com/release-engineering/DotCi
and 3.1.x now denotes https://github.com/groupon/DotCi
Merge pull request #1 from vvitayau/patch-1

Update pom.xml
use true instead of /bin/true as shell noop
Add GEM_PATH bin to PATH; makes bundle available on PATH
Revert "Do a fresh gem install in each build; dont cache gems between builds"

This reverts commit 9ce96f5c8249e454e71e5f25fd32211d8445855d.
Use git reset --hard insted of checkout since checkout puts the repo in detached head state
Reset version number
[maven-release-plugin] prepare release DotCi-1.0.0
[maven-release-plugin] prepare for next development iteration
Use relative url instead of absolute for redirection after project creation
Use absolute urls in new project setup view

Jenkins now runs at /jenkins locally which breaks relative urls.
Get payload form request if payload parameter is not specified

Older versions of github enteriprise specify payload as a request
parameter, where as public github specifies it it request body.
Add project description to pom.xml
Add trailing slash to githook url if its missing from the configuration
[maven-release-plugin] prepare release DotCi-1.0.1
[maven-release-plugin] prepare for next development iteration
Add default form values for dotci configuration
Pass Parameters down to subbuilds

ParametersAction used to be a subclass of MatrixAction, this seems to
have changed recently in latest jenkins releases.This commit explicitly
passes parameters down to subbuilds.
Support new jenkins versions

Matrix project was broken out into its own plugin post 1.561 in jenkins
core. This change makes a conditional include of ajaxmatrix page based
on jenkins version.
[maven-release-plugin] prepare release DotCi-1.0.2