Development: modified .gitignore

.gitignore now ignores Intellij files.
Development: created project, started Main class
Development: native folder was deleted
Development: changed double variable types to int where appropriate
Development: modified .gitignore, added libraries back

.gitignore file now no longer ignores .jar files. The libraries are now
tracked as well.
Development: added a couple of constant fields
Dev: temp production halt
Merge branch 'development'