security update: cups, cups-filter, bind, ntp, firefox

After almost a month without any updates, finally some new packages were pushed both to -stable and -current to fix security vulnerabilities as well as fix things or just a bump to the latest version. Here are the recap:

• cups, cups-filter: Upgraded to 2.0.3 and 1.0.71
• gstreamer1, gst-plugins-*: Upgraded to 1.4.5
• python: Upgraded to 2.7.10
• bind, ntp, firefox: Upgraded to 9.10.2_P2, 4.2.8P3, and 39.0
• glade3, gst-plugins-base0, notify-python, pygtk, scim-hangul: Rebuilt to remove remaining libpng14 reference
• pidgin: Patched to use gstreamer1
• nano, screen, lm_sensors: Upgraded to 2.4.2, 4.3.1, and 3.3.5
• New config for Linux Kernel 4.1.x (LTS release) in testing/