Fixes position of left/right positioned no-text buttons in headers.

Author: Wilto

css/structure/jquery.mobile.core.css

@@ -54,7 +54,7 @@ div.ui-mobile-viewport { overflow-x: hidden; }
 .ui-header .ui-btn-right,
 .ui-footer .ui-btn-right { right: 5px; }
 .ui-footer .ui-btn-icon-notext,
-.ui-header .ui-btn-icon-notext { top: -1px; }
+.ui-header .ui-btn-icon-notext { top: 6px; }
 .ui-header .ui-title, .ui-footer .ui-title { min-height: 1.1em; text-align: center; font-size: 16px; display: block; margin: .6em 30% .8em;  padding: 0;  text-overflow: ellipsis; overflow: hidden; white-space: nowrap; outline: 0 !important; }
 .ui-footer .ui-title { margin: .6em 15px .8em;  }