Add header normalization for copy headers in API rewrite modules
Refactor valid_entity_length function in riak_cs_wm_object
Move copy request check to accept_body callback
Remove functions related to metadata update copy functions from riak_cs_wm_object
Replace use of erlang:now/0 with os:timestamp/0
Add copy objet r_t module with test cases for basic copy functionality
Set size in local context if object size is valid
first (untested) cut at a copy server
ignore .swp files
copy_object_eqc riak_test
WIP
add a test function to riak_cs_copy_object for easier shell testing
use active manifest in manual test
use index instead of length for End in riak_cs_get_fsm:continue/1