update LICENSE

Merge pull request fujiwara#13 from cubicdaiya/show-compiler-version

output compiler version for showVersion.

add make clean

add go-1.5, remove go-1.3 in .travis.yml

Merge pull request fujiwara#4 from fujiwara/periodical-reconnect

Periodical reconnect

add ConfigLogfile.Time* tests

Merge pull request fujiwara#3 from fujiwara/feature/parse_timestamp

Feature/parse timestamp

update README

update example config

remove randSleep in test