Updating tests to reflect new flags for node to increase stability and speed
Pulling out download functionality into a central file for easier IEDriver and ChromeDriver downloads
Move Webdriver dir to OS TMP dir so it does not always get deleted
switching from json-simple to gson [oh the pain :( ]
nearly finished the big switch
all tests passing now
removing JsonWrapper - it's no longer used anywhere
converting some maps into jsonobjects
move config to classes to enable [de]serialisation back and forth to json
Refactor out the downloading portion
Rename class, too many similar sounding class names
simplifying the configs
Download only if jar does not yet exist
updating thumbnailing and fixing typo in the response which was breaking screenshots in general
updating thumbnailing and fixing typo in the response which was breaking screenshots in general
fixing getConfig format issue
fix another format problem plus prettying up all responses
Merge branch 'master' of https://github.com/groupon/Selenium-Grid-Extras

Conflicts:
	SeleniumGridExtras/src/main/java/com/groupon/seleniumgridextras/DefaultConfig.java
	SeleniumGridExtras/src/main/java/com/groupon/seleniumgridextras/config/RuntimeConfig.java
	SeleniumGridExtras/src/main/java/com/groupon/seleniumgridextras/grid/GridWrapper.java
	SeleniumGridExtras/src/main/java/com/groupon/seleniumgridextras/tasks/DownloadWebdriver.java
	SeleniumGridExtras/src/test/java/com/groupon/seleniumgridextras/DownloadWebdriverTest.java
	SeleniumGridExtras/src/test/java/com/groupon/seleniumgridextras/StartGridTest.java
	SeleniumGridExtras/src/test/java/com/groupon/seleniumgridextras/grid/GridWrapperTest.java
Merge branch 'master' of https://github.com/groupon/Selenium-Grid-Extras
adding parameter to screenshot to allow user to not save the screenshot to disk. Updated the servlet to not save images to disk since it's polling every 5 seconds.