Squashed 'libopencash/' changes from ddf623e..a403a6a

a403a6a placeholder to trigger first travis build
d08dd53 Add Travis CI builds and tests
118df29 libopencash: fix compilation and tests for Android
102d7ae libopencash: support tests on Android
3040aca libopencash: fixed removing child from parent when setting parent to NULL, fixes android as well
7698762 Android: standalone toolchain can now be symlinked
6940d7b libopencash: add support for android
9069d45 Migrating to opencash org

git-subtree-dir: libopencash
git-subtree-split: a403a6a13bd80d288ab00252d52d5cff44be466e
Merge commit '41c40d742d064d795286289cbe49d811ffe29452'