Add odbc package
Add odbc package

This adds the new odbc package: http://hackage.haskell.org/package/odbc
simonmichael/stackage,wereHamster/stackage,stackbuilders/stackage,soenkehahn/stackage,fpco/stackage,int-index/stackage,creichert/stackage,peti/stackage,Shimuuar/stackage,ethercrow/stackage,fimad/stackage,jonschoning/stackage,Daniel-Diaz/stackage,asr/stackage,mgajda/stackage,iand675/stackage,athanclark/stackage,mrkkrp/stackage,spencerjanssen/stackage,clinty/stackage,lwm/stackage,mstksg/stackage,michalkonecny/stackage,massysett/stackage