collect activity types

[#68878544]
activity types defined in model, other improvements [#68878544]
controller refactor

[#68878544]
some css for filtering buttons

[#68878544]
remove dependent items

[#68878544]
project parser should not have any nil values

[#68878544]
serializer update

[#68878544]
rename method

[#68878544]
unused enum

[#68878544]
proper defaults

[#68878544]
activity parser fix

[#68878544]
main parser fix

[#68878544]
add kind to hash

[#68878544]