Bidimensional custom fields better prefiltered; implemented cross-validation for fragility functions
Fix verbose_name of custom fields; limit_states_num non-persistent property; add cross-validation of FuncDistrVulnDiscr
In matrices, convert comma decimal separator with point (allowing copy/paste from excel); cross-field validation in CC_PredictorVar
user_def field added for expandible dropdown lists
Add initial data fixture
Remove limit_states_num update from js, because limit_states_num is now a derived property
Fix help_text for matrix custom fields; hide bridge-related stuff; preprocess changing commas to semicolons in semicolon-separated string fields