* Fixes #510 Ruboto setup on Windows fails to set path to dx
* Improves issue #524 a lot.  Almost there?  Help needed, @Axionator :)
* Translate path to "dx" to verify the path
* Detect Java by JAVA_HOME.
* Detect downloaded HAXM package.
* Install the HAXM package.
* Detect if HAXMhas been installed.
* Elevate process to administrator rights with the "elevate" command when installing the Android SDK or HAXM.
* Recognize "mingw32" as Windows.