IDE-1682 Add key binding to build command
IDE-1682 this is the wrong commandId we need to invoke the toolchain independent version
IDE-1682 redirect popup menu actions to the commandHandler
IDE-1682 using new top level buildLang command keybinding now
IDE-1682 Migrated BuildLanguageActions to BuildLangHandler
IDE-1693 use entire xpath for reference elements
IDE-1694 removed two references from xml.search plugin