Emphasizing the Issue and PR process

Applies to #60 and #167
Some typos and grammar corrections

Applies to #240, #167 and #60
Missed `mightfix` and `wontfix`

Applies to #240, #167 and #60
DOC header md fix

* Applies to #240, #167 and #60
Clarification fix

Applies to #240, #167 and #60
Few corrections as per sizzle

* More descript elaboration
* Some spelling corrections.. ran it through a spell checker.
* Removed `upstream` label ref and question
* Changed `console` to `terminal` since console is more KDE oriented and terminal is more X oriented. e.g. devoid of Window Manager.

Applies to #240, #167 and #60
Indicate in TOS that `license` or `licence`... they should not to be used together.

* e.g. let the hosting site resolve those.

Applies to #240, #167, #116, and #60
That made that worse in the TOS... clarifying exactly.

Applies to #240, #167, #116, and #60
Typo

Applies to #240, #167, #116, and #60
Merge pull request #240 from Martii/CONTRIBUTING

Emphasizing the Issue and PR process