HOUSING DEVELOPMENT. INITIATIVE CONSTITUTIONAL AMENDMENT. Prohibits laws creating moratorium or numerical limitations on residential construction; invalidates existing laws creating such moratoriums or numerical limitations. Prohibits governmental entities adopting dwelling density limitations for single family, duplex, multiple, and mobilehome units below specified amounts; requires zoning reasonable amount of available land for each such use. Requires all developmental approvals for residential construction be issued or denied within 120 days. Requires establishment of state fund from General Obligation Bonds for use in building additional facilities required by residential construction. Provides for bond elections for this purpose. Limit...