HashMap unit-tests, HashMap remove function fix
Merge branch 'feature-new-materials' of https://github.com/dava/dava.framework into feature-new-materials
[DF-498] Meta and Introspection comments converted to utf-8
[DF-520] Added new fields to introspection
Merge branch 'feature-new-materials' of https://github.com/dava/dava.framework into feature-new-materials
[DF-520] Merged with feature-new-materials