Adding LICENSE header to the files.

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
Adding comment-related scirpts.

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
Merge pull request #1 from oza/adding-license-header-and-comment-related-scripts

Adding scripts for collecting JIRA comments and Apache License header for all of the scripts