Run lint before tests, so travis fails faster (#2461)

Author: ColCarroll

scripts/test.sh

@@ -2,8 +2,9 @@
 
 set -e
 
-THEANO_FLAGS="floatX=${FLOATX},gcc.cxxflags='-march=core2'" pytest -v --cov=pymc3 "$@"
-
 if [[ "$RUN_PYLINT" == "true" ]]; then
     . ./scripts/lint.sh
 fi
+
+THEANO_FLAGS="floatX=${FLOATX},gcc.cxxflags='-march=core2'" pytest -v --cov=pymc3 "$@"
+