Refactoring clean.sh

 * Add change directory to toplevel of repository.
 * Change using -delete option at find command.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Adding "GET" execute method

 * Tested by my account.
 * ToDo
   - Change using mock without production api.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Adding coding: utf-8 hearder

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Merge pull request #1 from mkouhei/devel

Adding "GET" method and some updates.