* Consistent license message for all the go files
* Fixing the last set of unconsistencies with the license headers
* Addressing PR review comments
* Fixing busy.go and busy_test.go license header
Fix code issues in channel_test.go
Fix Channel Test Issues detected by Megacheck
Fix API Emoji Test Issues detected by Megacheck
Fixed API Issues Reported by Megacheck
Fixed App issues reported by megacheck
Remaining fixes
removed test added by mistake from old HEAD
gofmt
Store Fixes
simplified returns
Fix test for multi member channel delete
revert to delete unused function
* MM-10232: improve error handling from malformed slash command responses
Switch to json.Unmarshal, which doesn't obscure JSON parse failures like
json.Decode. The latter is primarily designed for streams of JSON, not
necessarily unmarshalling just a single object.
* rework HumanizedJsonError to expose Line and Character discretely
* MM-10259: pinpoint line and character where json config error occurs
* tweak HumanizeJsonError to accept err first
