ADMINUI-2072 Strict dependency on backbone@1.1.2
ADMINUI-2072 Strict dependency on backbone@1.1.2

Fixes blank /servers page.

chudley/sdc-adminui,lloydde/sdc-adminui,johananlai/sdc-adminui,chudley/sdc-adminui,johananlai/sdc-adminui,dan-luk/sdc-adminui,YZaicev/sdc-adminui,dan-luk/sdc-adminui,andyYatskov/sdc-adminui,joyent/sdc-adminui,andyYatskov/sdc-adminui,joyent/sdc-adminui,dan-luk/sdc-adminui,YZaicev/sdc-adminui,johananlai/sdc-adminui,dan-luk/sdc-adminui,lloydde/sdc-adminui,YZaicev/sdc-adminui,lloydde/sdc-adminui,lloydde/sdc-adminui,andyYatskov/sdc-adminui,dan-luk/sdc-adminui,johananlai/sdc-adminui,chudley/sdc-adminui,joyent/sdc-adminui,chudley/sdc-adminui,YZaicev/sdc-adminui,joyent/sdc-adminui,joyent/sdc-adminui,andyYatskov/sdc-adminui