on xml validate on dtd not found exception, make that an error marker
on xml validate, display error if project not found
update xml format to use dom3

with java 7 the transform version is not as good (no new line after xml
declaration, dtd, etc.). dom3 version, with some hacks, allows us to set
both indent and line width now as well.
fix project commands test to not depend on test order
update :LocateFile docs w/ resources filters info + ag support
fix java import grouping on kepler
fix php completion test for result ordering on kepler
fix element doc preview tests to account for package links on kepler
fix junit tests to sort the response to account for indeterminate test order w/ java 7
update search test for java 7 NPE line number