Fix APMGMetadataXmlDocument resource loading

Use the class loader to get the correct resource.
Update the logger in APMGBuilder

Change to prepend with ‘[APMG]’
Fix issue with null additions on initial commit

Add logger to APMGGit
Make the git plugin (2.7.7) a dependency
Refactor builder and utility to use git plugin's GIT_PREVIOUS_SUCCESSFUL_COMMIT instead of creating apmgBuilder.properties
Add UI elements for forceInitialBuild
Fix git constructor in APMGBuilder for initial builds
Refactor APMGGit constructors to change signature
Clean up help descriptions for forceInitialBuild and updatePackageEnabled
Create force initial build functionality and expose APMG environment variables for the job
Merge branch 'feature/forceInitialBuild' into develop
Update documentation
Fix APMGUtilityTest.zipRollbackPackageTest
Update pom.xml to version 1.0
Mark version as beta
Update README.md
Fix the committer information when running updatePackageXML
Fix issue with APMGGit not finding files in previous commits.
Fix issue where metadata files for code was not being copied to the deploystage properly.
Update git plugin to 2.3.1