adding conditional compilation of reftools for baseline and extended versions of GDAL
changing the ReferenceableDataset handling to work properly with the updated reftools
Merge branch '0.3' of github.com:EOxServer/eoxserver into 0.3
fixing the GetCoverage handler for referenceable datasets
fixing the accidental mod change performed by the previous commit
adding method and order selection for the remaining reftools method and switching from GDALCreateGenImgProjTransformer() to GDALCreateGenImgProjTransformer2() to allow use TPS transfomer
fixing the image size integer types of the EOX_IMAGE_INFO structure to get rid of the (size_t*) to (int*) pointer casts + changing the structure identifiers to uppercase to follow the common C convetion
fixing the rectified VRT creation to allow method and order specification + speeing-up the VRT warping by using approximate transformer
extending the interface of the create_rectified_vrt() and bringing it closer to the reproject_image() + a couple of minor bugfixes
Merge branch '0.3' of github.com:EOxServer/eoxserver into 0.3
adding small info on compilation
Building of reftools is broken, thus partly reverting 9f4e268b05653c8ac4378cbe2ac42798826024db part of #221.
Udating submodule.
Reverting a6cefa9b4113fab5a75ec0968848dbae5ab076b6 and adjusting reftools build in setup.py (#221).
Syntax correction and minor adjustment.
Adding vagrant-cachier.
Switching gdal to gdal-eox.
Adjusting custom provisioning. Adding rpm build tools.
Merge branch '0.3'

Conflicts:
	autotest
	eoxserver/resources/coverages/metadata.py
	eoxserver/services/ows/wcs/wcs20/getcov.py
	eoxserver/services/ows/wms/common.py