table-plugin: row/column floating menu stays when a row/column is selected.

Selecting a row/column in table did throw a javascript exception regarding the selection range (rangy-core issue). This error is caught for IE7 and IE8, but not for document mode 7 or 8. Catching the error in case the document mode is less or equal than 8 solves the issue.
(cherry picked from commit 2a29536109bf915f33dee80549c98874318bf0cb)
table-plugin: WAI input stays when you click on it.

WAI input disappeared because of a selection issue with mouse-up event. Mouse-up event was stopped if a cell is selected. Mouseup event should not be stopped because it is used in the jquery.aloha.js file (jquery.aloha.js:207) for initializing the selection.
(cherry picked from commit 47718608311b662ab08cde247c71c9ea25c4240d)