Some small fixes to history tutorial

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
Changed title of the history tutorial

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
Added docs for history and cookie api

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
Edited sidebar to reflect history and cookies

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
More editing sidebar

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
Some edits to reflect links to tutorials in the docs

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
Added entry for activeTab and geolocation

Signed-off-by: Shwetank Dixit <emailshwetank@gmail.com>
Merge pull request #47 from shwetank/master

Changes required for cookies and history docs, and permissions declaration doc