bump REQUIRE to Julia v0.7 minimum

jrevels · jrevels · commit f21d4d5d0b56 · 2018-08-29T22:10:17.000-04:00
diff --git a/REQUIRE b/REQUIRE
@@ -1,4 +1,4 @@
-julia 0.7-rc3
+julia 0.7
 StaticArrays 0.8.3
 DiffResults 0.0.1
 DiffRules 0.0.4
