updated new test model references and the test settings file
uncommented the task notification code, updated TaskMember references to dynamic model
test and factory fixes for organizations
test fixes for Skills and Tasks
serializer reference fixes
more test fixes
fix for meta data in project detail api
task tests and serializer updates and fixes
updated code for sending mail for realized tasks
removed commented mail code
removed print line
moved mailer code out of models.py
moved dynamic model loading to utils, updated all references, moved call to taskmail to booking and mail testcase
removed commented manager
added default manager
added UserStatisticsmixin