doc: Fix names for ck_elide.
doc: Add simple ck_queue manual page.
whitespace: Bulk whitespace changes.
doc: Fix-up ck_rwlock headers.
doc: Fix-up ck_sequence manual page headers.
ck_bitmap: Remove unused argument for CK_BITMAP_BITS.

This is an API change, has been on the queue for a while.
Patch submitted by Shreyas Prasad <sprasad@appnexus>.