upgrade to Ext 3.4.1.1 to get IE10 support

[bartvde]

See: http://cdn.sencha.com/ext/commercial/3.4.1.1/release-notes.html

[bartvde]

Some failing tests:

test_zoomslider_update fail 2 ok 2
fail slider min is 1 (restricted zoom range). eq: values differ: got 0, but expected 1
ok slider can go to 15
fail slider min is 2 (restricted zoom range). eq: values differ: got 0, but expected 2
ok slider can go to 15

test_anchorPopup fail 4 ok 1
ok Popup has anchor element
fail anchored popup moves once on map.setCenter. eq: values differ: got 1, but expected 2
fail anchored popup moves once on collapse. eq: values differ: got 1, but expected 2
fail anchored popup moves once on expand. eq: values differ: got 1, but expected 2
fail anchored popup moves once on resize. eq: values differ: got 1, but expected 2

but they already failed with Ext 3.4.0 as well. Using OL 2.12 for testing.