Change directory structure and configuration file.
No need to place value.
Suppress command output.
Change default value of `CONTAINER_NAME`.
Rename lab to labs.
Move lims2 source code to `/usr/share/lims2`.

There're many `/usr/share/lims2` in lims2 source code.  Do not change
the place now.  We need a refactoring in the future.
Clone submodules.
Merge pull request #7 from dochang/next

Patches from Weiyi Zhang