fix to up to svn top dir
start perspective of vcs from any buffer
Merge pull request #65 from aki2o/fix-svn-top-dir

fix to up to svn top dir
Merge pull request #66 from aki2o/start-vcs-from-any-buffer

start perspective of vcs from any buffer
update travis-ci files
update travis-ci: fix cask initialize problem
update travis-ci: fix cask initialize problem..
fix a typo of variable name. #67