update swagger.maven.plugin version to 1.1.3-SNAPSHOT

closes #115
Merge pull request #116 from justinhrobbins/feature_115

update swagger.maven.plugin version to 1.1.3-SNAPSHOT
#114
#114 add/config checkstyle.xml and address some checkstyle formatting
issues in classes
Merge branch 'feature_114' of https://github.com/justinhrobbins/FlashCards_App.git into feature_114
#114