+ Don't indent defn body until fully processed.
+ Don't indent defn body extra if it has a top-level rescue.
+ Remove superfluous begin/end for top-level defn rescue.
+ Don't use simple rescue form if resbody is a return (statement keyword). (eyberg)
Fixed test_defn_kwsplat test input using rake CHECK_SEXPS=1. Oops.
Renamed util_compare to assert_parse to take advantage of minitest backtrace filters.

[git-p4: depot-paths = "//src/ruby2ruby/dev/": change = 9316]