Fix chart with multiple persistence services.

The sitemap element charts has an optional parameter service, that sets
the persistence service to use.
This parameter must also be used if the chart is requested from the openHAB
server.
Fix Github issue #1
Merge pull request #3 from maggu2810/chart-with-service-spec

Fix chart with multiple persistence services.
versionName -> 1.5.0.0
versionCode -> 9
Fix mjpeg http authentication
Fix a bug in getTitle which led to an out of bound crash
Fix a bug which was breaking national characters in voice commands when sent to openHAB (github issue #4)
Version -> 1.5.0
Added X-Atmosphere-Tracking-id processing to sitemap requests.