initial implementation crosswalk w3c speech extension

Change-Id: I9ab54fa26cecf2e14df6f7f0dfbcea17270a3ebb
packaging: use %config macro for installing configuration file

Change-Id: I12821dd907eab20dfee916fc28cd89f103190c7e
packaging: bumped version, updated changelog.

Change-Id: If0663c48a40e8903672117fb699f159fa4474764