Add an IDEA file

Not entirely sure what this is... Seems important!
fix is being wrong and add loads.
Change something for no reason
Merge pull request #38 from greboid/idea

Add an IDEA file
Merge pull request #37 from csmith/master

Add KEYS file.
Add JSR305 to util
Merge pull request #39 from greboid/master

Add JSR305 to util
Update CI to j8
Merge pull request #40 from greboid/java8

Switch CI to java 8
Change dependency rule for circle.