v2

* Change license to LGPL-2.1+
* Remove `/Tests/` and `phpunit.xml.dist` from Composer download.
* Fix path bug in keychain executable.
* Add Application package to `require-dev` as this is required to build
the keychain file.
Fix up version in docs.
Fix usage of deprecated Registry method
Excluded files from production build
re-included LICENSE
Merge remote-tracking branch 'joomla/pr/1' into 2.0-dev
Merge remote-tracking branch 'joomla/pr/2' into 2.0-dev