[nomaster] Revert "s/SuperCallArgs/SuperArgs/"

This reverts commit 2621918870e531b7a9bcccdf14bddea9b89804b2.
[nomaster] Revert "more ListOfNil => Nil"

This reverts commit bb9adfbd76af0a0281912fcef4bcaca409a7c9a3.
[nomaster] Revert "DummyTree => CannotHaveAttrs"

This reverts commit 838cbe623c142b7005446793948097f679219fe3.

Conflicts:
	src/reflect/scala/reflect/api/Trees.scala
[nomaster] Revert "introduces global.pendingSuperCall"

This reverts commit 0ebf72b9498108e67c2133c6522c436af50a18e8.

Conflicts:
	src/compiler/scala/tools/nsc/typechecker/Typers.scala
	src/reflect/scala/reflect/internal/Trees.scala
[nomaster] Revert "refactors handling of parent types"

This reverts commit 40063b0009d55ed527bf1625d99a168a8faa4124.

Conflicts:
	src/compiler/scala/tools/nsc/ast/parser/Parsers.scala
	src/compiler/scala/tools/nsc/typechecker/Typers.scala
[nomaster] verifies compat with 2.10.0

Makes sure that the compiler understands the 2.10.0 format of super
constructor calls after the recent revert from the typemacro-compatible
format.