Extract android root in apothecary (required for other apothecary PRs).
Merge pull request #3443 from bakercp/android-apothecary-update

Extract android root in apothecary (required for other apothecary PRs).
Throw error on missing android toolchain for apothecary.
Merge pull request #3444 from bakercp/android-apothecary-update

Throw error on missing android toolchain for apothecary.
Merge branch 'master' of git://github.com/openframeworks/openFrameworks into apothecary-poco-clean
Update Poco Source (tag 1.7).
Update apothecary-poco tag to 1.7.