Android: Parameters are now in an Activity on small screen + fix parameters refresh

contrib/mobile/Android/AndroidManifest.xml

contrib/mobile/Android/res/layout/activity_twopane.xml

...ib/mobile/Android/res/layout/fragment_options_display.xml

contrib/mobile/Android/res/values/strings.xml

contrib/mobile/Android/src/org/geuz/onelab/MainActivity.java

...b/mobile/Android/src/org/geuz/onelab/OptionsActivity.java

...ile/Android/src/org/geuz/onelab/OptionsModelFragment.java

...b/mobile/Android/src/org/geuz/onelab/ParameterNumber.java

...b/mobile/Android/src/org/geuz/onelab/ParameterString.java

contrib/mobile/androidGModel.cpp