Merge pull request #14 from AADOJ/snaebjorn

Added exception for when a slot is occupied. Added a try/catch for it in...
Fixed issue with round when inserting on an occupied slot
Fixed issue with round when inserting on an occupied slot Pt. 2
Merge pull request #16 from AADOJ/GGJ

Fixed issue with round when inserting on an occupied slot
Added travis config file
Update .gitignore
Update .travis.yml
Update .travis.yml
Automerge
Merge pull request #17 from AADOJ/GGJ

Added travis config file
Update README.md
Changed exception name to TicTacToeException
Added a constructor to TicTacToeException which allows throwing along a message, also added a message to the exception that explains that the slot is occupied.
Revert "Added a constructor to TicTacToeException which allows throwing along a message, also added a message to the exception that explains that the slot is occupied."

This reverts commit 153c7f4172613dc6774dc9ec15f55fa02451befd.
Added Gson dependency to build.gradle
Added constructor for TicTacToeException with message parameter
Started on a spark application for web ui
Auto merge
Added test to check the exception message when slot is occupied
Fixed stupid error with spark file