- updated to 3.6.3

- updated to 3.6.3
- partial sync with iceweasel.spec

Changed files:
    mozilla-firefox-branding.patch -> 1.4
    mozilla-firefox-install.patch -> 1.3
    mozilla-firefox-libpng.patch -> 1.1
    mozilla-firefox-no-subshell.patch -> 1.1
    mozilla-firefox-nss_cflags.patch -> 1.2
    mozilla-firefox-prefs.patch -> 1.5
    mozilla-firefox.desktop -> 1.7
    mozilla-firefox.sh -> 1.19
    mozilla-firefox.spec -> 1.269