Added refund function to API section
Updated refund in API (moved it higher up)
Updated formats in API section
added mp4 video too
Updated "Getting started with SEQR"-pdf

Under page "Get SEQR app".
new mimetype for video
Merge pull request #12 from SeamlessDistribution/master

Merge pull request #11 from SeamlessDistribution/develop
Merge pull request #13 from SeamlessDistribution/develop

release