fix waiting for threads with new listen gem
remove Gemfile.lock from git
Merge branch 'master' into 3.0.0

Conflicts:
	kicker.gemspec
make it work with new listen gem
refactor waiting for threads

move it out of the watchdog start
all tests pass

some juggling with Kicker.silent was needed
cleanup
fix docs generation & test only 1.9.3 and 2.0.0
removed trailing whitespace
use Pathname and allow .kick in current working dir
ignore .idea project file
prepare release of 3.0.0.pre2
multi platform notifications
test that kicker bin starts
apparently running kicker modifies global state
do not wait for main thread too
more deterministic ignore spec
use notify 0.5.2 at least
silence stdout in some tests
clarify Ruby version support