textsize 6.x-1.5

- #606406 by GiorgosK: Fixed displaying block in header.
- #357057 by activelyOUT: Fixed title cannot be placed alongside pics of resize.
- #502896 by multiple_prime: Fixed unwanted "messages status".
- Fixed: Correct calculation of minimum and maximum textsize.
- Fixed: Filtered XHTML element class.
- Fixed: Save validated text size settings.
- Fixed: Allowed values 1-1000%.
- Fixed: RTL on the help page.
- Added feature: Display subtitle and text size normal.
- Added feature: Display only the current value and remove text and value in the source code.
- Added feature: Display inline: Subtitle, list and select menu and the current text size.
- Added feature: Display abbreviation text "Min." or "Max." in red with JavasSript in the current text size value for minimum and maximum text size.
- Added feature: Uninstall function available.
- Added feature: a:ctive and a:focus images with CSS and JavaScript.