Issue #46

* Removed previously hard-coded dependencies in favor of godep. see https://github.com/jrconlin/pushgo/commit/2e03df1f927e76009f18c5189f542a51a9dac1fb
* Removed directory cruft
* Modified README & scripts to use new godep format
* Added --logging CLI back to app.
* Fixed logging messages
** Errors are events that stop normal function
** Warnings are events that alter function
** others are Info/Debug depending on nature

@bbangert ; @spindrift r?