Ansible-taskrunner

* Address bug whereby raw args were being interpreted as an array instead of a string [54e3245](https://github.com/berttejeda/ansible-taskrunner/commit/54e3245945085cde64c518b1734f0815fb605d13)
* When unspecified, raw args should evaluate to empty string, not None [4f2ef3f](https://github.com/berttejeda/ansible-taskrunner/commit/4f2ef3fdae25373a9a3fb1eebdb7695420f9ad84)

* Add ability to completely suppress output [17a9f32](https://github.com/berttejeda/ansible-taskrunner/commit/17a9f328b23b3025436060f6e967d3079aea680b)
* Anything after '---raw' is passed down directly to the subprocess (111) [236c270](https://github.com/berttejeda/ansible-taskrunner/commit/236c27005a558594fe3bf5206ff1c673a5adaa16)

* Ensure the main process return code matches that of the subprocess [44a2540](https://github.com/berttejeda/ansible-taskrunner/commit/44a25409d862a5322a0820e99533727eefa148fc)

* Refactor git diff command and embedded inventory file logic [330d5de](https://github.com/berttejeda/ansible-taskrunner/commit/330d5de010758e6467312afa827863ba2388e073)
* Skip deleted files when syncing local git folder to remote [64943b1](https://github.com/berttejeda/ansible-taskrunner/commit/64943b1c9c62fc8192d6d35e17db5002dfb995a9)

* Catch potential crash due to unexpected parameter mapping (python 2.x) [3f37e3e](https://github.com/berttejeda/ansible-taskrunner/commit/3f37e3e6c3bfa6cafc66fa5db5514f81e91879a2)

* Import missing logging module [56b3ca4](https://github.com/berttejeda/ansible-taskrunner/commit/56b3ca4292a189d169937efc5d8c3a7dbcfb0563)
* Add missing logger instantiation [02a6656](https://github.com/berttejeda/ansible-taskrunner/commit/02a6656345999c9d8568f499196856aba0f5b566)