Add 'has reset' status and control (#168)

* DM: Add hasreset and hasreset ack bits to DM Registers. Move other newly added fields to more aligned locations.

* Debug Module: Add explanation for hasreset

* hasreset clarifications

* More clarifications for hasreset

* hasreset typo (cleared 'by')

* hasreset: Move dmerr and put impebreak back where it was

* hasreset: more clarifications

* HasReset : Renamed to "Have Reset"

* havereset: unnecessary 'the'

* Update debug_module.tex

* spaces not tabs

* space not tabs

* havereset: Rename the ack bit to be more clear that it is acking the havereset, not that it has some quality

* hasreset: Update PDF