trackfield 5.x-0.4

Bug Fixes:

Works with latest gmap.module (5.x-1.0-beta1)
Fix typo with location calculation var.
Use preg_split inside function for better handling of data splits.
#290005: Only show stats field if track data exists
#275658: Multiple map fields on same page brakes them all.
#289487: Map magnification and type of map eg Terrain
#292300: Select default map type
Added dummy column so maps can appear in view.
Line point removal is slightly (only just) more intelligent.

New Features:

New CRS functionality.
New GPX functionality.
New KML output functionality.
Introduced gmap_attr parameter for formatter options so used can specify any attributes they require.
Added option to display static gmap instead of javascript version.
Handle points with no lat/lon data.