* Initial version
* small update
* add probability of false positive table
* put the table at the right place
* updates during meeting
* adds some updates about using bloom filters for gc deleted data
* small fixes
* adds implementation steps and basic gc service protobuf
* adds super brief abstract
* rm gendered language
* removes DataDeletionReport section, adds rationale for not using 2 bloom filters
* Remove parts about deletion
* rearrangement
