Fixed a typo (Configuartion -> Configuration)
Added (failing) test for invalid chrome proxy

Extended BaseCrawler in order to specify the browser config
Added check for a proxy type of NOTHING for chrome browser builder

fixes #1
Formatted with eclipse-formatter.xml

Removed unused imports in BrowserConfigCrawler
Simplified valid proxy check

Removed BrowserConfigCrawler class - now use a BaseCrawler with a config
in ChromeProxyConfig test
Merge pull request #183 from EECE-310-TeamL2A4/ChromeProxyFix

Chrome proxy fix (minor)