[CB-3811 CB-3815] Add overview guide and compatibility table.
[CB-3816] Add first draft of the Cordova-CLI guide.
[CB-3752] Upgrade Guide is missing instruction to add 2 frameworks
[CB-3753] Upgrade Guide is missing instructions to update Build Settings
[CB-3923] 2.8.0 to 2.9.0 upgrade guide, fixed version string in previous upgrade guide
[CB-3752][CB-3753] (2.8.0 Folder) iOS Upgrade Guide is missing instructions for 2.7.0 -> 2.8.0 upgrade
CB-3906: Yay! That was easy!
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cordova-docs
Version 2.9.0rc1
[CB-3905] Update Getting Started home page to focus on CLI.

- fill out getting started splash screen
- update splash screen to focus on CLI prereq, omit archaic CL utils
[CB-3926] Update references from x.y.z to x.x.x.

- convert hard-coded versions to x.x.x
- rewrite to suit
[CB-3816] Fix paths to screenshots in CLI guide.
[CB-3849] Expose new CLI guide on the homepage.
[CB-3223] Remove refs to 4 unsupported platforms.

These are no longer shipped with the latest Cordova release:

    - symbian
    - webos
    - tizen
    - bada
[CB-3223] Remove all tizen-related content.
[CB-3223] Remove all symbian-related content.
[CB-3223] Remove all WebOS-related content.
[CB-3223] Remove all Bada-related content.
[CB-3922] Upgrade guide for wp7/wp8
Revert "[CB-3223] Remove all tizen-related content."

This reverts commit 60aa87acb60f1d734f908a0cb8d59bda673cd9b9.

Conflicts:

	docs/en/edge/cordova/accelerometer/acceleration/acceleration.md
	docs/en/edge/cordova/accelerometer/accelerometer.clearWatch.md
	docs/en/edge/cordova/accelerometer/accelerometer.getCurrentAcceleration.md
	docs/en/edge/cordova/accelerometer/accelerometer.watchAcceleration.md
	docs/en/edge/cordova/camera/camera.getPicture.md
	docs/en/edge/cordova/camera/parameter/cameraOptions.md
	docs/en/edge/cordova/compass/compass.clearWatch.md
	docs/en/edge/cordova/compass/compass.getCurrentHeading.md
	docs/en/edge/cordova/compass/compass.watchHeading.md
	docs/en/edge/cordova/compass/parameters/compassOptions.md
	docs/en/edge/cordova/connection/connection.type.md
	docs/en/edge/cordova/device/device.cordova.md
	docs/en/edge/cordova/device/device.model.md
	docs/en/edge/cordova/device/device.name.md
	docs/en/edge/cordova/device/device.platform.md
	docs/en/edge/cordova/device/device.uuid.md
	docs/en/edge/cordova/device/device.version.md
	docs/en/edge/cordova/events/events.deviceready.md
	docs/en/edge/cordova/geolocation/Coordinates/coordinates.md
	docs/en/edge/cordova/geolocation/Position/position.md
	docs/en/edge/cordova/geolocation/geolocation.clearWatch.md
	docs/en/edge/cordova/geolocation/geolocation.getCurrentPosition.md
	docs/en/edge/cordova/geolocation/geolocation.watchPosition.md
	docs/en/edge/cordova/notification/notification.alert.md
	docs/en/edge/cordova/notification/notification.beep.md
	docs/en/edge/cordova/notification/notification.confirm.md
	docs/en/edge/cordova/storage/database/database.md
	docs/en/edge/cordova/storage/localstorage/localstorage.md
	docs/en/edge/cordova/storage/sqlresultset/sqlresultset.md
	docs/en/edge/cordova/storage/sqlresultsetrowlist/sqlresultsetrowlist.md
	docs/en/edge/cordova/storage/sqltransaction/sqltransaction.md
	docs/en/edge/cordova/storage/storage.opendatabase.md