Improve axis order handling for WMS 1.3.0 (always use official axis order)
Unit test fixes
Catch all CRS exceptions
Fix handling of CRS:84 (is officially XY-ordered)
Merge pull request #247 from occamlabs/3.4-wms-axis-order

Fix axis-order handling for WMS 1.3.0 and old-style EPSG-identifiers (fixes #620 from deegree-tracker)