Merge pull request #106 from nikicat/master

README.md: updated fetcher invocation example
Added backdoor (implemented via manhole module)
backdoor: review fixes
Merge pull request #108 from mdevaev/manhole

Added backdoor (implemented via manhole module)
Issue 88: Temporary workaround for SIGTERM handling
Merge pull request #114 from mdevaev/term-workaround

Issue 88: Temporary workaround for SIGTERM handling
Configurable input queue size
Merge pull request #115 from mdevaev/configurable-queue-size

Configurable input queue size
README.md: added gitter chat badge
Using "-m pylint" instead of "which pylint"
Updated README.md
which -> python2 -m
Removed extra space
Merge pull request #111 from mdevaev/improved-readme

Improved readme
Added objgraph to requirements.txt
Merge pull request #116 from mdevaev/req-objgraph

Added objgraph to requirements.txt
Using tox for testing; minimalistic pylint.ini
tox fixes
README.md: Removed travis from bottom
Temporary removed flake8 from tox