TMS spec supports a tile origin other than 0,0 (see: http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification ).  Building on previous work to make origin available to all within TileCacheLayerInfo, this update supports the tileOrigin param as expected in the spec (x,y) or as some clients report via lon, lat.
update the documentation for tms support of tileOrigin
Add resources for further exploration
Support tileOrigin or Origin.
Preparing for tests
Merge branch 'master' of https://github.com/mapfish/mapfish-print into tms-origin-v2
Merge branch 'master' of https://github.com/mapfish/mapfish-print into tms-origin-v2
Laying the ground work for upcoming TMS layer tests
Define the origin differently for each test
Make default layer spec use both extension and format.  Likely bug (see issue#59).
Make the tms reader handle the situation where there is no tileOrigin and no origin param.
Unit tests that handle any of the origin param options AND no params.
Merge pull request #60 from jbjonesjr/tms-origin-v2

Tms Layers should support the origin property