Updates the information about how to contribute upgrade ideas.
Adds clarity about other forums as request
Fixes typo
Merge pull request #5 from IATI/upgrade-info

Updates the information about how to contribute upgrade ideas.
[#7] Update license

Add note about the license applying to text, not images
Add note about external codelsits
Update all versions page
Updates For Review Comments

Most of the issues for https://github.com/IATI/IATI-Guidance/issues/4
resolved
Merge branch 'wendy-branch'
Change how to publish urls
Merge branch 'joni-branch'

Conflicts:
	en/how-to-publish/establish-publishing-policies.rst
	en/how-to-publish/process-overview.rst