PICARD-857: Remove deprecated checks and add…

…support for GNOME 3 and Unity

Gnome 3 recommends using dconf to get and set values, as a result
gconftool-2 does not return a value in gnome3. Also GNOME_SESSION_ID
as a variable has been deprecated, so the detection of Gnome as a DE
has been changed accordingly.
This commit is contained in:
Sambhav Kothari
2016-12-16 00:37:24 +05:30

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