added 5.1.1 JSON Documents
Added POST activities/state

Needs tidying up clearly, but is this along the right lines?
create 7.3 Document APIs
replaced SHOULD with MUST for actions of the LRS
Clarified merge process
Clarified behavior if Content-Type: is not application/json, or if content is not valid JSON
Merge pull request #9 from bscSCORM/jsonDocuments

Some clarifications
Added proposed attachment feature
Merge pull request #10 from adlnet/master

update garemoko master to adlnet
Merge pull request #2 from adlnet/master

Grab latest
Clarify mailto URI requirements
Merge pull request #61 from paul-esch/master

Rewrite of 4.1.6 Context
Merge pull request #11 from adlnet/master

update garemoko master to adlnet
added note about http/https
changes as discussed https://github.com/adlnet/xAPI-Spec/pull/31
Copied 'timestamp' requirements to 'stored'
Added definition of activity

Solves https://github.com/adlnet/xAPI-Spec/issues/24
Sorry aJonathan
fixed tabbing properly
Merge pull request #65 from garemoko/activityDefinition

Activity definition
Merge pull request #66 from garemoko/contributorsList

Fix alphabetical contributors list