Release 2.0.2 of TI Simplelink Connect Latest

Release 2.0.2 of TI Simplelink Connect (#30)
This commit consolidates work done for Release 2.0.2 of the TI
Simplelink Connect iOS and Android application

Changes:
1. BLE Mesh Functionality:
- Add and remove nodes from the network.
- Create network and application keys.
- Bind/unbind network and application keys to nodes.
- Bind/unbind application keys to models.
- Send and receive vendor model messages.
- Configure and retrieve subscriptions and publications.
- Create and subscribe to groups.
- Edit the network name.
- Export network data as a JSON file.
- Connect and disconnect from provisioned nodes.
- Configure networks' provisioners.
- Configure proxy filter.

2. Stress Test Enhancements:
    - Display test results in a separate view. 

3. WiFi Provisioning over BLE:
    - Add WPA3 security.

Signed-off-by: Texas Instruments

Full Changelog: 1.3.8...2.0.2