Refactoring:core:document values for attr_position_valid

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

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5958 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:port/android:Change vehicle.position_valid when losing GPS fix

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

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5959 ffa7fe5e-494d-0410-b361-a75ebd5db220
Refactor:core:Introduce enum for debug levels, and use it everywhere.|First part of #1269.

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5960 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:core:Output severity/level of debug message.|#1269, part 2

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5961 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:maptool:Fix typos in messages and comment.

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5962 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:core:Simplify and fix profiling code, always print times with precision 0.1.

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5963 ffa7fe5e-494d-0410-b361-a75ebd5db220
Refactor:core:Introduce #define DEFAULT_DEBUG_LEVEL|#1269, part 3

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5964 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:core:Mention debug level names in help for -d.|#1269, part 4

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5965 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:core:Use appropriate logging prio on Android, don't log everything as ERROR.|#1269, part 5

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5966 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:core:Change all logging at lvl_error/warning to lvl_debug, unless it looks like an error message.|#1269, part 5

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5967 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:xml:Adapt debug level in config.|#1269, part 6

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5968 ffa7fe5e-494d-0410-b361-a75ebd5db220
Add:core:Allow setting the debug level by name in navit.xml.|#1269, last part

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5969 ffa7fe5e-494d-0410-b361-a75ebd5db220
Fix:core:Fix compilation for Windows.

git-svn-id: svn://svn.code.sf.net/p/navit/code/trunk@5970 ffa7fe5e-494d-0410-b361-a75ebd5db220