XML parser: fixed bug in smart correction
Restruct geometry to a bbox: work on the syntax.
Bbox restriction for adiff: implemented for relations, but might be slow.
Bbox restriction for adiff: bug fixed.
Bbox restriction for adiff: implpemented and tested also for ways.
Extended diff display prototype.
Added a maxdate field to ol_diff.
Speedup query: changed index on tag collection such that indices are processed only if they are sufficiently few.
Merge branch 'speedup-query-progress-1'
Merge branch 'repair-xml-parser'
Merge branch 'global-diff-output'