Properly implement identical() test in analyzer constant evaluation.

Previously we were treating identical(x, y) as equivalent to (x == y).
However the semantics aren't the same.

BUG=dartbug.com/21177
R=scheglov@google.com

Review URL: https://codereview.chromium.org//689173004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41475 260f80e4-7a28-3924-810f-c04153c831b5
Support globs in $include and $exclude.

R=rnystrom@google.com
BUG=17093

Review URL: https://codereview.chromium.org//686363002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41476 260f80e4-7a28-3924-810f-c04153c831b5