Added dark frame subtraction

Moved debayer and preprocessing parameters to class ProcParams for every single image.
Added tab RAW for changing those parameters.
Progress bar shows only load step (work to do)

tools/osx/start

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+CWD=`dirname "$0"`
+echo $CWD
+
+export DYLD_LIBRARY_PATH="${CWD}/lib:$DYLD_LIBRARY_PATH"
+export GTK_DATA_PREFIX="${CWD}"
+export GTK_DATA_DIRS="${CWD}"
+export GTK_EXE_PREFIX="${CWD}"
+export GTK_PATH="${CWD}"
+
+export GTK2_RC_FILES="${CWD}/etc/gtk-2.0/gtkrc"
+export GTK_IM_MODULE_FILE="${CWD}/gtk-2.0/gtk.immodules"
+export GDK_PIXBUF_MODULE_FILE="${CWD}/etc/gtk-2.0/gdk-pixbuf.loaders"
+export PANGO_RC_FILE="${CWD}/etc/pango/pangorc"
+
+cp "${CWD}/etc/pango/pango.modules" /tmp/rt_pango.modules
+
+"${CWD}/rt" 
+