[HatoholDBBackupTool] Add new script to backup Hatohol DBs.
[HatoholDBBackupTool] Store the result to tarball.
[HatoholDBBackupTool] Re-create this tool using by python.
[HatoholDBBackupTool] Add licence header.
[HatoholDBBackupTool] Use variable value.
[HatoholDBBackupTool] If there is no directory in given path, show error
message.
[HatoholDBBackupTool] Apply PEP8.
[HatoholInfoTool] Use variable value to user name and password.
[HatoholInfoTool] Change the function name.

dumpCacheDB ->
copyCacheDB
[HatoholInfoTool -> HatoholInspectInfoCollector] Change tool name.
[HatoholInspectInfoCollector] Use snake_camel case.
[HatoholInspectInfoCollector] Use single quotation insted of double
quotation.
[HatoholDBBackupTool] Remove unnecessary file.
Merge pull request #372 from project-hatohol/backup-tool-2

Prototype of Hathol DB backup tool-2