[2/2] OmniGears: Power Menu: Add Screenshot Option

Adding Settings part in "Bars and Menus"

base: https://gerrit.omnirom.org/#/c/2704/

Change-Id: I54d46535758c2a7735668f1d2fd40d7a63beb801

Correcting Code formatting errors

Change-Id: I54d46535758c2a7735668f1d2fd40d7a63beb801
omnigears: fix build error caused by screenshot merge

* some code from another patch accidentailly creeped into the screenshot patch - fixit

Change-Id: I12c968665f04c78b55736d2278c4d30d5375ea20
OmniGears: Updated DE translation

Change-Id: I3f2d6c01f5d0ccb1fcb4743bc6a76d8c55fcd2a5
merge changes from Omni 4.4 into local branch