Add:core:Support position_valid attribute for demo vehicle

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5951 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:port/android:Support position_valid attribute for Android vehicle

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5952 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:port/maemo:Correct debug output when getting attr_position_sats

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5953 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:core:Add support for GPS status callbacks in navit object

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5954 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:osd:Update gps_status when status changes but not position

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5955 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:core:Don't set map to invalid coordinates

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5956 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:port/android:Make gps_status OSD work on Android

Signed-off-by: mvglasow <michael -at- vonglasow.com>

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5957 ffa7fe5e-494d-0410-b361-a75ebd5db220