Brought in JetBrains ignore file as well as my gitattributes.

See: https://github.com/github/gitignore/blob/408c616ae0ad8f4b8101d8e876b9b67ac6b14059/Global/JetBrains.gitignore and https://github.com/virtuoushub/fuzzy-octo-shame/blob/1a91b708267a34b0b922f56837319ff80f528f18/.gitattributes
Ignoring auto generated backup files SourceTree creates on merge conflicts.
Updating POM in preparation for uploading project into Central Repository. #3