a bit of a reorg and moving the grid files into their own module to decouple the reliance on the selenium jar
fixing pom dependencies
adding bootstrap ui
removing seperate grid module until we move to pure api implementation
Merge branch 'master' of https://github.com/nicegraham/Selenium-Grid-Extras into nicegraham-master

Conflicts:
	SeleniumGridExtras/src/main/java/com/groupon/seleniumgridextras/JsonWrapper.java
	SeleniumGridExtras/src/test/java/com/groupon/seleniumgridextras/RebootNodeTest.java
	scripts/start_grid.sh
	scripts/start_grid_node.sh