Merge branch 'ace.dart_1.8' into minimap_folding_update
Switched out selection methods for gotoLine().  Still not getting setup for all tabs / files, though
setup a fold listener subscription property and replace the subscription there each time the editor switched tabs.
Revert "TESTING: Local ace.dart package"

This reverts commit 0faae91d834ebb2459d51a7d7d28e7a2ce9d4017.
Updated to 0.2.0 for this branch
Revert "Updated to 0.2.0 for this branch"

This reverts commit 0686063087ec153a3992697dbba22ee3a7cf806e.
Resolved conflict
Removed irrelevant comment
Merge pull request #726 from dart-lang/minimap_folding_update

Minimap folding update