optional heap and permgen args fo java VM
consistent indentation
Merge pull request #1 from detroit-labs/java-memory-config

Optional heap and permgen args for java VM
Update README.md
Update README.md
add jenkins::plugin type
Added max heap and perm size config variables.
Fixed Java startup arguments set to undef.

If e.g. $jenkins_max_heap_size was set and later removed from
the manifest the corresponding Java start argument was set to "undef"
which resulted in Jenkins not starting up.
ensure plugins directory is present
Merge pull request #3 from detroit-labs/plugin-type

Define jenkins::plugin type for managing plugins
Jenkins 1.503
Fixing lint warnings.
specs for jenkins class.
Added gitignore.
Enabled travis and updated docs with plugin instructions.
Merge remote-tracking branch 'upstream/master'
Removed personal build status.
Require jenkins on jenkins plugins.
Fix multiple directory declaration.
Create datadir before pluginsdir.