update the changelog for 0.7.2
syntax tweaks
tweak README syntax
Getting rid of PyCharm config files.  Closes #52.
Merge pull request #64 from esc/changelog_0.7.2

update the changelog for 0.7.2
list items in the changelog to end with a period
fix syntax in ANNOUNCEMENT
tweak the release notes
fix syntax in RELEASING instructions
update ANNOUNCE.rst to describe version 0.7.2
bcolz 0.7.2
bump the VERSION
bump the version in the docs
open the changelog for the next release
prepare ANNOUNCE.rst for the next release
fix minor kink in changelog
Merge branch 'post_0.7.2_release'

* post_0.7.2_release:
  fix minor kink in changelog
  prepare ANNOUNCE.rst for the next release
  open the changelog for the next release
  bump the version in the docs
  bump the VERSION
Merge remote-tracking branch 'upstream/master'