Check if mode_mapping has items before iteration

Update setup.py and doc.conf to release 2.1.0

Fix windows style slashes in cd path in examples

Rejig flight replay example to use a telemetry log


peter.barker
5:08 PM All looks good to me.  You OK if I merge that one?
hamishwillee
5:08 PM Yes please!

UPdate running examples page and simulation instructions

Versions and capability

Also break out methods to get version and release type

print more information in vehcicle_state

Fix best practice information regarding sleeping your thread

Update guided example to use dronekit-sitl by default

Update mission_basic.py example to use dk-sitl by default

Update follow_me example to use dk-sitl by default

Update create_attribute example to use dk-sitl

Improve code for closing sitl in examples

Update channel_overrides example to use dronekit-sitl by default

Update simple_goto example to use dronekit-sitl by default

Minor tidy up to wording of using dk-sitl

Improve code for closing sitl in examples

Update  mission_import_export.py to use dk-sitl by default