implement very basic grid loader template
Implement very basic GridLoader test
Merge remote-tracking branch 'origin/dev' into #6-grid-loader

Conflicts:
	src/server/controllers/GridGenerator.java
Fully implement GridLoader
Merge remote-tracking branch 'origin/dev' into #6-grid-loader
Door to be loaded properly
GridLoader to append player numbers to players
Improve GridLoader tests
Merge pull request #24 from oharaandrew314/#6-grid-loader

#6 grid loader