npgsql - Npgsql2: Fixed Npgsql.build to include missing resources.

Log Message:
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Fixed Npgsql.build to include missing resources.
Reverted a modification which set the framework target to mono-2.0. This breaks ms.net target.

Modified Files:
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Npgsql2/src:
Npgsql.build (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql.build.diff?r1=1.5&r2=1.6)