PG support
Revert "PG support"

This reverts commit 121f0e7a46ae3758bc6bea00a58d44a12a5611cd.
Add max dimensions for image fetch

Add maxWidth and maxHeight parameters for the Platform server’s image
fetches;
Clarified some of the image error messages
Merge branch 'develop' of https://github.com/blingdahl/mifosx into imageresize
Refactored image resize code