fix virtualzap P+/-
fix vzap
- audioplayer: using CComponentsHeader to paint header
- bouquetlist: using CComponentsHeader to paint header
- bookmarkmanager: using CComponentsHeader to paint header
- filebrowser: using bigger help button in buttonbar
- bookmarkmanager/bouquetlist: add missing includes
- pictureviewer: using CComponentsHeader to paint header

* rework footer handling (get height from paintButtons methode)
- ENABLE_GUI_MOUNT: globalize
- ENABLE_GUI_MOUNT: enable
- ENABLE_GUI_MOUNT: can disabled with -DDISABLE_GUI_MOUNT
- bouqueteditor: using CComponentsHeader to paint header

* move menu button to header
- filebrowser: using CComponentsHeader to paint header
- menue-widget: using CComponentsHeader to paint header
- filebrowser: use FONT_TYPE_MENU_TITLE for header

  CComponentsHeader doesn't support several fonts yet.
  FONT_TYPE_MENU_TITLE is the used font.
  so we have to use FONT_TYPE_MENU_TITLE here to get
  the correct render-widths in paintHead() methode.
CComponentsItem: add more comments
CComponentsItem: corrected comment for arg do_save_bg
CComponentsItem: typo fixes
- CComponentsHeader: add possibility to change font in header class
- neutrino: don't save screen while paint headers