initial json commit
id validation finished-need to fix signature in tests
added voided validation
moved attach validation
added auth validation
started condensing new validation code
added agent and activity validation and fixed gen for oauth groups
added version and authority in process
added stored to process
added stored to process
fixing issue with updating activity definition
Merge pull request #237 from creighton/fixes

fixing issue with updating activity definition
need to implement exact only for attachments and fix filters
fixing issue with non json bodies
all tests pass with updated changes
included error codes
Merge branch 'master' of https://github.com/adlnet/ADL_LRS into jsonfields
Merge pull request #239 from creighton/fixdocuments

fixing issue with non json bodies
cleaned up
Merge branch 'master' of https://github.com/adlnet/ADL_LRS into jsonfields