Ansible-taskrunner

* Fixed minor bug in import path for sshutil library [278f0d5](https://github.com/berttejeda/ansible-taskrunner/commit/278f0d5dd8c17e2ae56bb25a2635855197058e84)

* Addressed bug whereby if no config is found, certain globals don't get initialized [fa1f7f1](https://github.com/berttejeda/ansible-taskrunner/commit/fa1f7f1993737a47265bbcb3d38ceb04e6491d7f)

* Removed bogus print statement leftover from recent troubleshooting [88be8a9](https://github.com/berttejeda/ansible-taskrunner/commit/88be8a9350ad33504d8ee74e8f403982c0400921)
* Moved some hard-coded values to the app config [e853ce0](https://github.com/berttejeda/ansible-taskrunner/commit/e853ce07ff1e1887e64a8fff2d29a03e4cb6ef37)
* Refactored misc vars [2c7c6eb](https://github.com/berttejeda/ansible-taskrunner/commit/2c7c6eb4ffc41fdf1e751eb7f4d02b3c46beed9e)
* Added colorized output for help examples [645621c](https://github.com/berttejeda/ansible-taskrunner/commit/645621cbb4f5338e03e81302231bf540213a9d4c)

* Renamed library path and refactored imports [afebb06](https://github.com/berttejeda/ansible-taskrunner/commit/afebb06433254acc9e6004978615eebd92c7c18d)

* We can now package the script as a Windows MSI via cx_freeze [18397c1](https://github.com/berttejeda/ansible-taskrunner/commit/18397c1e202b5a4884d047bbe2c37b2b2b253675)
* Fixed syntax error [4b43f44](https://github.com/berttejeda/ansible-taskrunner/commit/4b43f445722fd9da51b716a3f01cb8232479d69f)
* No more tampering [with] sys.path (unless zipapp) [07fb148](https://github.com/berttejeda/ansible-taskrunner/commit/07fb14810b3cdae18c8554b50504709a5d0a3fbf)
* Added Bastion Mode instructions [72f2a13](https://github.com/berttejeda/ansible-taskrunner/commit/72f2a13bdba1fd89e1cd7166fbbf5bddaea9fa10)
* Added cli option for overriding ssh key file [86a0d45](https://github.com/berttejeda/ansible-taskrunner/commit/86a0d4559e796ef82fa5f384741931771dd96c4f)
* Adjusted bastion mode sync logic to quit if we fail to create remote dir [0084ce5](https://github.com/berttejeda/ansible-taskrunner/commit/0084ce53086ad0b6c502bbb48914982d893b8913)
* Added bastion-mode config initialization logic to the init subcommand [39b332e](https://github.com/berttejeda/ansible-taskrunner/commit/39b332e013918c9474a8dc9d75dca61ee33e4464)
* Fixed inconsistencies in bastion mode remote command strings [8ddef53](https://github.com/berttejeda/ansible-taskrunner/commit/8ddef5356b245aa19c5bb8dd45fb27c4c36d780b)
* Fixed bug whereby script was being stripped from determinant of commandline invocation [2f445bf](https://github.com/berttejeda/ansible-taskrunner/commit/2f445bf9bfc5aa1d09b420fe35373dafd1a76b39)
* Added section on unit tests [7b3fa34](https://github.com/berttejeda/ansible-taskrunner/commit/7b3fa34dc3895fe569c2670895b313d685dcf5ee)

* Adjusted max content width for help messages [7052485](https://github.com/berttejeda/ansible-taskrunner/commit/70524851385d959b9509c45ecb94864ac1a480ba)