meta-webos submission: smartkey-hun=4

Add:
b12c170 Add missed reference to hunspell lib.
46a4451 Enabled Hunspell integration.
dca6ab5 Suppress Carrier DB Settings watch on Desktop
8c7c3d2 Update build parameters and add json schema for taps
9b311d7 Add support for secondary dictionaries
d59516e Improve functional comments and add TODO points
782521e Added comments to all functions in doxygen style

Open-webOS-DCO-1.0-Signed-off-by: Igor Kuksyuk <ikuksyuk@luxoft.com>

Change-Id: I311693057ee76c2435f7a5b3510a90062ec9a508
Reviewed-on: https://g2g.palm.com/1865
Reviewed-by: Roger Stringer <roger.stringer@lge.com>
Tested-by: Roger Stringer <roger.stringer@lge.com>