Add a standard configuration for devleopment.
	new file:   ts/5.2/conf/development/build.conf.example
	new file:   ts/5.2/conf/development/thinstation.conf.buildtime
unset password when no longer needed
	modified:   ts/5.2/packages/base/etc/thinstation.packages
Change button names
	modified:   ts/5.2/packages/freerdp/build/extra/etc/freerdp.functions
add gtkdialog to dependencies
	modified:   ts/5.2/packages/freerdp/dependencies
	modified:   ts/5.2/packages/thinlinc/dependencies
Add an option for the showdesktop button
	modified:   ts/5.2/packages/xfwm4/build/extra/etc/xfwm4.functions
code cleanup
	modified:   ts/bin/de-multi