Application refactoring.

Tests utilities moved from tests/base to gottwall/utils/tests.
Removed redis storage and moved to
 http://github.com/GottWall/gottwall-storage-redis plug-in application.
Removed redis backend (transport) and moved to
 http://github.com/GottWall/gottwall-backend-redis plug-in application.

Removed all tornadoredis and redis calls.
Migrated to tornado 3.2.
Merge pull request #14 from Lispython/feature/refactoring

Application refactoring.
Added profiling tools.

Added profiling helpers to Makefile.
Added gprof2dot to tools.
Added plop profiler.

Added helpers for plop profiling.
Update dev req.
Merge pull request #15 from Lispython/feature/profiling-tools

Feature/profiling tools
Updated GottWall config
Updated GottWall config
Changes application interface to setup HTTPBackend
Project update.

Updated X-GottWall-Auth algorithm.
Rewrited PeriodicProcessor.
Full TCP/IP  backend rewrite without backward compatibility.
Workin on perfomance and bottlenecks.
Added hurl_client and updated socket_client.
Updated requirements.
Added missed ujson requirement.
Merge branch 'feature/system-update' into feature/udp-server
First version of UDP backend.

Added UDP backend.
Working in progress.
Updated backends docs.
Merge pull request #17 from Lispython/feature/udp-server

Feature/udp server
Merge remote-tracking branch 'upstream/master'
Fixed README.rst.