Add command line parser module, add DSN parameter and INI parameter to avoid code change when changing server
add usage to the description
Typo's in markup
Adapt doc for "Usage" section
Remove default values from server connection, as we now require dsn or ini
Merge branch 'master' of https://github.com/gdenaisse/online-migration
Bug fix while creating migration file
Merge pull request #2 from gdenaisse/master

Command line argument parser, Percona toolkit optional, INI file and DSN