Remove reset_sparsity argument to assemble.
Remove arguments mesh,coefficients,function_spaces,common_cell from
assemble* and Form.__init__.
Disallow FacetNormal(cell) etc., now require FacetNormal(mesh) etc. for geometric quantities.
Remove use of cell argument to geometric quantities.
Remove use of reset_sparsity in benchmark code.
Merge branch 'garth/fix-issue-285' into next
Fix systemassembler warning when a and L both provide the _same_ subdomain data.
Fix demo documentation to make doctest pass.
Merge branch 'martinal/fix-issue-312' into next
Merge branch 'martinal/topic-remove-deprecated-assemble-arguments' into next