fixed error in inv_cloglog definition in code, tests, and doc
knocked off all the RStan items that have been done
fixed error in normal mixture model R simulator
added DRAFT to title in doc so it is not confusing when read from Jenkins
fixed dangling reference in manual
merged conflict in cloglog
added revised cloglog test
fixed error in inv cloglog test for 1 - val
removed extraneous prints from test