>> Changed project name from plasma to valence in docs.
>> Fixed docstring indentation.
>> Added features docs.
>> Added driver docs.
>> Hidden licence headers from html files.
Depends-On: Ia02bc00ad168b3c3d01ef6ca9696d43996091070
Change-Id: I1fa382d566165f5e76c84ad864024c0f546ef74c
Made some changes in document to make it easily understandable.
There were grammatical and typing error.
Change-Id: Ib7c03da15afc3634dac56d6d94b3240a8a262812