Add Show/Hide Filesize Info to TreeProjectWidget, PEP8 Fixes
Merge pull request #1667 from juancarlospaco/feature/treeproject_filesizeinfo

[TreeProjectWidget] Add Show/Hide Filesize Info, PEP8 Fixes
show summary in plugin preview
Merge pull request #1670 from diegosarmentero/master

show summary in plugin preview
Merge remote-tracking branch 'upstream/master' into contextmenu