Update what_is_the_iati_standard.rst
Rename getting-started to overview
Create units-of-aid.rst
Create the-case-for-publishing.rst
Create gain-snr-mgmt-committment.rst
Create establish-organisational-commitment.rst
Update establish-organisational-commitment.rst
Delete gain-snr-mgmt-committment.rst
Create create-an-imp-schedule.rst
Update create-an-imp-schedule.rst
Delete units-of-aid.rst
Update create-an-imp-schedule.rst
Merge pull request #47 from IATI/wendy-getting-started

Merge Wendy's initial getting started work