Indents were given the color blue when outputting with color.
AST dumping now looks like this:
Node
|-Node
| `-Node
`-Node
`-Node
Compared to the previous:
(Node
(Node
(Node))
(Node
(Node)))
llvm-svn: 174022
-f(no-)color-diagnostics. In addition, dumpColor() function calls are added
to force color printing. No structural changes to -ast-dump.
llvm-svn: 173548