Add LICENSE and .gitignore.

Add terms of Apache v2 license and .gitignore file.

Change-Id: I290eb43a88cae1784a5ba68262f0d90342080e43
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
First approach to implement a command line parser.

Add framework for parsing command line options.
Whole commands structure is a tree. We search from
root to leaves and print suitable help message if
an error occurred.

Change-Id: Ic3d3114b3d2380021da10410fafb50dcc8fe613a
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>