Update to rep GTK 0.90.2

0.90.2:
improved deb and rpm packaging scripts
improved ebuild
install header to $includedir/rep-gtk
autotools (Makefile & Co.) rework
More bindings for 2.12 API added

0.90.1:
improved ebuild
improved spec-file [Kim B. Heino]
Addtitions:
GtkUiManager support [J端rgen H旦tzel]
GtkAction support [J端rgen H旦tzel]
More bindings to 2.12 API added

0.90.0:
Minimum GTK+ Version: 2.12
Additions:
GError support [J端rgen H旦tzel]
Basic GtkBuilder support [J端rgen H旦tzel]
Some bindings to 2.12 API added

DEPRECATED APIs removed:
GtkPreview*
GtkSignalRunType
GtkSubMenuDirection
GtkSubMenuPlacement

(asau)