Bump the release date in the README file.
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'master' into develop
Disable merges during checkpoints, make sure we visit all pages when evicting a file.

refs #898
Add/fix/cleanup some comments.
Merge pull request #904 from wiredtiger/checkpoint-no-merge

Disable merges during checkpoints, make sure we visit all pages when evicting a file
typo, comment cleanup
Merge branch 'develop' into new-split

Conflicts:
	src/btree/bt_evict.c
	src/btree/rec_evict.c