[GEOT-4491] Hints.getDefault() implementation hampers scalability
[GEOT-4492] DataUtilities.fileToURL checks system variable fo OS every time, hampering scalability
[GEOT-4493] CRS repeated checks for axis flipping system variable hampers scalability
Fix license headers
Correct header, content provided by Gabriel in 2012

Signed-off-by: Jody Garnett <jody.garnett@gmail.com>
Hunt down the original and put on our standard header

The provided LGPL license 2.0 (i.e. library) allowed us to redistributed under any later licence, thus LGPL 2.1 (Lesser) qualifies.

Signed-off-by: Jody Garnett <jody.garnett@gmail.com>
GeoTools hints map needs to be accessed via RenderedHints.Key, not string
Merge pull request #213 from aaime/scalability

Scalability related improvements
Merge remote-tracking branch 'upstream/master'