src: capitalization as the rest

it's easier to grep

Change-Id: I3639467b77c8071f2ffe3204669514948ffff8a2
src: use ToolBoxItem, as all other do

Change-Id: I77b0f8a670e4f0a8f75b99662c370b65ce737d3d
resource files: remove unused definitions

Change-Id: Ic782eab6943aa8e659acfceb9f20dac76224c258