Bug 182714 [Contributions] Improve toolbar configurability
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ContributionManager.java
contributions.add(index, item);
			itemAdded(item);
		}
	}
	/*
	 * (non-Javadoc) Method declared on IContributionManager.
	 */
	public void insertAfter(String ID, IAction action) {
		insertAfter(ID, new ActionContributionItem(action));
	}
	/*
	 * (non-Javadoc) Method declared on IContributionManager.
	 */
	public void insertAfter(String ID, IContributionItem item) {
		IContributionItem ci = find(ID);
		if (ci == null) {
			throw new IllegalArgumentException("can't find ID" + ID);
		}
		int ix = contributions.indexOf(ci);
		if (ix >= 0) {
			
			if (allowItem(item)) {
				contributions.add(ix + 1, item);
				itemAdded(item);
			}
		}
	}
	/*
	 * (non-Javadoc) Method declared on IContributionManager.
	 */