Merge pull request #7 from lostintime/master

SSL ignore option added, checkout method changed to return download command
support ruby 2.0.0
bundle update
ready for 0.0.6
allow loading only a single artifact file
add documentation for single file deploy
Merge pull request #8 from helle/master

Allow single file deployment
use github flavor markdown
add testcase
fix #9
update NEWS
release 0.0.7
lock rubyzip to support ruby 1.8.7
only test on master
fix ruby 1.8.7
fix ruby 1.8.7
Merge pull request #10 from lidaobing/issue_9

Issue 9: crash on strange title
[#11] filter scm log with prefix
make travis happy
revert travis