Merge pull request #327 from VesaJuvonen/dev

New guidance page template for documentation purposes
Add permissions by role def name, Tests updated.
Remove accidentally added file
Merge remote-tracking branch 'contributor/securitygroups' into pr328
merging of pr328: added some additional argument checks, removed language test as this is not adding value
Manually merged PR323 : made the proposed behaviour conditional
Added content type tests
Initial draft version with tested code.
New sample to show the use of tracing and errorlogging in a provider hosted app
Merge remote-tracking branch 'contributor/tracing' into pr329
merge of pr329
Remove testcategory attribute
Initial version of the auditing sample
small update on the page layout.
Merge branch 'dev' of https://github.com/officedev/pnp into dev
Updates for the initial release