merge bruno and parser

tests/bruno/associativity/and.choc

tests/bruno/associativity/division.choc

tests/bruno/associativity/if.choc

tests/bruno/associativity/index.choc

tests/bruno/associativity/minus.choc

tests/bruno/associativity/modulo.choc

tests/bruno/associativity/multiplication.choc

tests/bruno/associativity/or.choc

tests/bruno/associativity/plus.choc

tests/bruno/precedence/4_negate.choc

tests/bruno/precedence/and.choc

tests/bruno/precedence/complex1.choc

tests/bruno/precedence/div.choc

tests/bruno/precedence/double_negate.choc

tests/bruno/precedence/eq.choc

tests/bruno/precedence/ge.choc

tests/bruno/precedence/gt.choc

tests/bruno/precedence/if_else_expr.choc

tests/bruno/precedence/index.choc

tests/bruno/precedence/is.choc