Bug 273147 [Build] Report build problems as ERROR severity
Currently the BuildManager reports problems with severity of WARNING. Warnings are no longer surfaced in the UI, so we should increase this severity to ERROR.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/GlobalBuildAction.java
* @param window
     *            the window in which this action appears
     * @param type
     *            the type of build; one of
     *            <code>IncrementalProjectBuilder.INCREMENTAL_BUILD</code> or
     *            <code>IncrementalProjectBuilder.FULL_BUILD</code>
     */
    public GlobalBuildAction(IWorkbenchWindow window, int type) {
        Assert.isNotNull(window);
        this.workbenchWindow = window;
        setBuildType(type);
    }
    /**
     * Sets the build type.
     * 
     * @param type
     *            the type of build; one of
     *            <code>IncrementalProjectBuilder.INCREMENTAL_BUILD</code> or
     *            <code>IncrementalProjectBuilder.FULL_BUILD</code>
     */
    private void setBuildType(int type) {
        
        
        switch (type) {
        case IncrementalProjectBuilder.INCREMENTAL_BUILD:
        case IncrementalProjectBuilder.AUTO_BUILD:
            setText(IDEWorkbenchMessages.GlobalBuildAction_text);
            setToolTipText(IDEWorkbenchMessages.GlobalBuildAction_toolTip);
            setId("build"); 
            workbenchWindow.getWorkbench().getHelpSystem().setHelp(this,