Add a .gitignore
Merge pull request #94 from ericwa/gitignore

Add a .gitignore
Drop BrowserLauncher2 dependency (it hasn't been updated since 2007 and doesn't seem to work with Java 8 / Mac OS X 10.9) and just use Desktop.browse method (available since Java 6).
PackageDetailPanel: make clicking the thumbnail open the full size screenshot (in a web browser, for now)
PackageDetailPanel: make clicking the title open the review page on quaddicted
PackageDetailPanel: link to map review page: use https:// and add TODO
PackageDetailPanel: also hardcode https:// URL for the screenshot link opened in the browser
Restore BrowserLauncher jar, use it as fallback if JDK method fails