updated crate-admin to 0.9.1
Merge pull request #985 from crate/h/admin091

updated crate-admin to 0.9.1
updated incorrect options in crate usage information
Merge pull request #991 from crate/h/crate-help

crate usage text
replaced SQLAction python doctest with java integration test
added documentation for match function
fix: throw exception while analyzing if a non-indexed or analyzed column is used within grouping, aggregation or sorting

add IndexType property to ReferenceInfo
fix: throw exception while analyzing if a non-indexed or analyzed column is used within grouping, aggregation or sorting

add IndexType property to ReferenceInfo
prepare release 0.40.3
Merge branch '0.40'
fix version conflict in itests when used from old workdir
Merge pull request #997 from crate/m/itest_dep_conflict

fix version conflict in itests when used from old workdir
add the round scalar function
add the ceil scalar function
added random function
added abs scalar function
add the floor function
added square root scalar function
fix test suite
fixed SquareRootFunction type check test