Merge tag 'v0.2.1' into develop

RLS: promiumbookmarks v0.2.1

* tag 'v0.2.1':
  RLS,DOC,CLN: setup.py description, classifiers, README.rst, HISTORY.rst, .gitignore
BLD: MANIFEST.in: exclude tests/data/*.bkp
RLS: setup.py version=0.2.2
Merge branch 'release/0.2.2'

* release/0.2.2:
  RLS: setup.py version=0.2.2
  BLD: MANIFEST.in: exclude tests/data/*.bkp