added .gitignore
removed .DS_Store files from Cpp
added bootstrap: init.php-dist and config.php; autoload.php, and phpunit.xml
subdir for tests, added bootstrap.php, and added tmp dir to .gitignore
added CallbackHandler classes
uppercase Semantria dir
renamed session.php to Session.php, syncing nerdery 2.0 to semantria 3.0
renamed common.php to Common.php, replaced with nerdery 2.0 version
ucased jsonserializer.php, update with nerdery 2.0 changes
renamed authrequest.php to AuthRequest.php and synced changes from nerdery 2.1 to semantria 3.0
removed unittests.php (actual version is in tests dir)
nerdery changes added to testapp.php
unittests.php uses json serializer
Session.php: use Semantria_AuthRequest instead of AuthRequest
.gitignore: added PHP/coverage dir
removed unused getTypeWrapper and getTypeHandler code in Session.php and JsonSerializer.php