Apilogs

=====
- Start using tox (Thanks Jan Vlčinský)
- If streams are filtered, and none are found, awslogs will complain 52 (Thanks Nathan Leiby)
- Add shortcuts to --filter-pattern and --watch (Thanks spenthil)
- Add python 3.5 support 70 (Thanks adamchainz)
- Flush message output to stdout 67 (Thanks spenthil)

=====
* Fix utf-8 issues
* Add ``-S`` as shorthand for ``--no-stream`` and ``-G`` as shorthand for ``--no-group``. Thanks Adam Chainz

=====
* Add ``--timestamp`` and ``--ingestion-time`` Thanks vlcinsky 36
* Fix help texts. Thanks Daniel Hahler 46
* Add flake8 to travis

=====
* Add ``--filter-pattern`` option. 28
* Fix issue with --end default value in Windows 10 x64. 24
* Added support for ``--profile`` 29
* Fix argparse error in Python 3. 31
* Fix some filtering stream issues 32
* Default value for ``--start`` is now 5 minutes instead of 24h.

=====
* Add some documentation about installing awslogs in "El Capitan"
* Fix 21 - Problems to stop awslogs when pressing Ctrl+C.

=====
* Fix dependecies so installing awslogs from pypi works again.