fixes iosxr configure method to commit the changes

The iosxr configure method did not send the commit command to active the
changes after pushed to the remote device.  This change address that problem

disable prompt timestamps upon successful connection to iosxr

add commit keyword arg to load_config method

* attempt #11 to role_include

* fixes from jimi-c

* do not override load_data, move all to load

* removed debugging

* implemented tasks_from parameter, must break cache

* fixed issue with cache and tasks_from

* make resolution of from_tasks prioritize literal

* avoid role dependency dedupe when include_role

* fixed role deps and handlers are now loaded

* simplified code, enabled k=v parsing

used example from jimi-c

* load role defaults for task when include_role

* fixed issue with from_Tasks overriding all subdirs

* corrected priority order of main candidates

* made tasks_from a more generic interface to roles

* fix block inheritance and handler order

* allow vars: clause into included role

* pull vars already processed vs from raw data

* fix from jimi-c blocks i broke

* added back append for dynamic includes

* only allow for basename in from parameter

* fix for docs when no default

* fixed notes

* added include_role to changelog

this adds a new keyword arg to the load_config method that will control
whether or not a loaded configuration is committed on the device