Fix NDK builder name.
Adjust target SDK to 18.
Remove unwanted files and add .gitignore.
Remove unused classes.
Cleanup code.
delete
Many fixed on tests.

* Send boolean message from main activity to ensure tests are only run once.
* Fix progress bar updating.
* Fix number of algorithms tested.
* Fix screen updating with test info.
* Elminate extra blank space and digits on results.
* Small refactor on methods that gather info about thread and tests.
Fix algorithm number in test results.
Remove unneeded global vars.
Prevent tests screen from changing when orientation of email intent changes.
without compressing