First approach to design of gadget tool.
First approach to design of gadget tool.

Adds a document which describes reasons of this project,
goal to achieve and proposed command line calls.

Change-Id: I65f5e5a59d5b1b0ef7040755f207f32ccd2e021c
Signed-off-by: Krzysztof Opasiak <8064eda6f94b3817252b7d7649cf754592f63500@samsung.com>

kopasiak/gt,kopasiak/gt