add gitignore & robots
Merge branch 'master' of https://github.com/akitaka/akitaka.github.io

* 'master' of https://github.com/akitaka/akitaka.github.io:
  Site updated: 2014-06-09 22:41:09
  Site updated: 2014-06-08 11:48:49
  Site updated: 2014-06-08 10:53:22
  Site updated: 2014-06-08 10:30:26
  Site updated: 2014-05-27 22:24:23
Merge branch 'master' of https://github.com/akitaka/akitaka.github.io