updatedb: rename commands

now all command name start from tileman-

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
updatedb: change command name and add credit
updatedb: rename conf file

postgis handling utilities use tileman.conf as conf file

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge pull request #30 from osmfj/rename-updatedb-commands

Rename updatedb commands