Implements CreateUserRequest with network store
Adds local api for delete posting
Merge branch 'feat/filter' into feat/network

Conflicts:
	SchoolCraig/AppDelegate.swift
	SchoolCraig/Models/SCCategory.swift
Merge branch 'feat/deleteposting' into feat/network

Conflicts:
	SchoolCraig.xcodeproj/project.pbxproj
Fixes network store to work with creating posts
Merge branch 'master' into feat/network
Removes unused view controller
Implements delete feature