fixes #200, library prefixes for unknown imports
fixes #200, library prefixes for unknown imports

Take 2. The first version passed checker_test but not inferred_type_test. The library prefix staticElement check needs to come first.

R=vsm@google.com

Review URL: https://codereview.chromium.org/1161603009

ronlobo/dev_compiler,ronlobo/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler,ronlobo/dev_compiler,ronlobo/dev_compiler