Update SDK Tools to v.24.0.1 and Build Tools to v.21.1.2

Update SDK Tools version to 24.0.1
Update SDK Tools checksum (sha256sum)
Update SDK Build Tools version to 21.1.2

Google released a new version of SDK tools, further information here:
https://developer.android.com/sdk/index.html#Other

Download:
http://dl.google.com/android/android-sdk_r24.0.1-linux.tgz
Upgrade virtualenv to 12.0.2
Merge pull request #421 from dstufft/patch-1

Upgrade virtualenv to 12.0.2
Upgrade virtualenv to 12.0.4
Merge pull request #422 from dstufft/patch-1

Upgrade virtualenv to 12.0.4
Update rvm to 1.26.6
Update to Ruby 2.2.0 release
Update JRuby to 1.7.18
Update changes.md
Update Node.js to 0.10.35
Remove old node-js versions
Merge pull request #423 from GrahamCampbell/patch-1

Remove old node-js versions
Merge pull request #417 from ardock/pr-update-android-sdk-cookbook

Update SDK Tools to v.24.0.1 and Build Tools to v.21.1.2
Enable DBA functions for PHP

Enable the built-in cdb and inifile DBA providers for PHP.
Merge pull request #401 from bd808/php_dba

Enable DBA functions for PHP
Updated hhvm to 3.4.2
Merge pull request #424 from GrahamForks/hhvm

Updated hhvm to 3.4.2