gtk_widget_set_margin_end for whom has GTK 3.12
cleaning
GTK3 upgrade - migrating remmina_init_dialog to GRID - (to be fiyed)
Merge branch 'master' of github.com:antenore/Remmina
GTK3 upgrade - migrating remmina_init_dialog to GRID
GTK3 upgrade - migrating remmina_chat_window to GRID - (to be tested)
Merge branch 'gtk3' of github.com:giox069/Remmina into giox069-gtk3
Merge branch 'giox069-gtk3'
Merge commit 'b7fa72bfd80f56a6b24522d7ac94b7dddae8eeaf'
Use GtkTable on GTK+2 and GtkGrid on GTK+3, based on conditional compilation.
Manually merged commit '68444dc17b66a7705de6c8e2feccd7321aabc4b3'

Conflicts:
	remmina/src/remmina_file_editor.c
Manually merged commit 'bc8b5d3371f08844d0623f6f86c0de75a2396262'

Conflicts:
	remmina/src/remmina_init_dialog.c
Merge commit 'd987b067406391af22f826f12719f57d4c91d5eb'
Use GtkGrid on GTK+3 and GtkTable on GTK+2 for the chat window.
Merge commit '5030c3d413e34eb90e3795d96972c227b5dcb199'
Merge commit '310e28f1697f3ab815f86cced3cb1b131a949023'