Go to metadata iteration 3

In this PR

* [x] Record field attributes (property/field)
* [x] Generic constraints
* [x] Static constraints (method constraints & module function constraints to implement/test)

Required subtasks for polishing:
* [x] operator member names should be demangled
* [x] back-ticked members identifiers handling
* [x] back-ticked parameters identifiers handling
* [x] special formatting of member constraints for properties
* [x] inline functions
* [x] deactivate provided erased type metadata generation
On a related note, could you help fix these indentation warnings https://ci.appveyor.com/project/dungpa/visualfsharppowertools/build/1.5.0-a1409252353/messages?