105r11

[fix] panel ui - appbutton style option on tabs toolbar
[fix] hide appbutton on some popup windows without titlebar
[fix] MacOSX: squared tabs and TMPs multi-row view
[fix] MacOSX/Linux: appbuttons menupopup position
[new] tab color settings (top/bottom/text)
[change] improved support for tab colorizing css code
[change] some minor tweaks on Personas support (WinXP, Linux, MacOSX)
[change] css can change colors of squared tabs now