Refactored isSufficientlyRichData() --> added recursive helper: nullOrNestedNull()
jsDoc
remove points when erasing line and accomadate temporal line
Line-tool: prevent unneccesary 3rd click after first two clicks (when retrieved API data is insufficient for sensible intersect graph)
undo erase line, bad idea
cloak the username :dancers:
Merge pull request #157 from nens/ernst_fix_temporal_line

Ernst fix temporal line
about to merge integration locally..
Merge branch 'integration' of github.com:nens/lizard-client into dirk_fix_tons_of_stuff
isSufficientlyRichData() improved to handle point-clicks