INSTALLING
Support report_session_end
Properly fail for ending nonexisting sessions
Fail for ending session multiple times
Slight refactoring
Support report_test_start
Test API support
intermidiate stuff, will probably change
Merge remote-tracking branch 'upstream/master'

Conflicts:
	flask_app/app.py
	flask_app/models.py
logical_id to session and test plus add_product
start_time and end_time turned to float
redundent test

copy+paste bug
Slight test refactoring
Fix tests
Add initial API for querying sessions
Add duration field, support rendered (computed) fields
commit before rebase

untested version of test and session status
Merge branch 'master' of https://github.com/vmalloc/backslash

Conflicts:
	flask_app/api_utils.py
	flask_app/models.py
	tests/test_ut/test_test_api.py
session status and test status working
Unit test test.duration