added nav buttons and changed gitignore
Added database.java into project
Merge pull request #10 from jcurtiss/screenNav

added nav buttons and changed gitignore
Merge pull request #11 from seancavanaugh/master

Added database.java into project
Fixed conflicts
Merge branch 'session1' of https://github.com/lrohret/bigsky into lucas_scan_test
Merge pull request #1 from daotoo/lucas_scan_test

Lucas scan test