Squashed 'ryosuke/' changes from 79f13e9..97c35a5

97c35a5 rm test
af38130 test
43a2469 rm branch test file
983c5e5 branch test 2
7d98c83 branchtest
53cd22b remove test file
029454f commit and hook test
ac2675e commit test 2
1555ef7 commit test

git-subtree-dir: ryosuke
git-subtree-split: 97c35a53b1a07ba5855f387a9eaf97e2eeeb38de
Merge commit '7c3c7542979f6fcb6c1fa632b68f6d927517a302'
use tetoration
fix indent
minor fix
first commit
Merge branch 'master' of https://github.com/tmu-nlp/sicp2014