Denormalize added and removed line counts for the current diff onto revisions master
Summary: See PHI230. Currently, we denormalize raw line counts onto diffs and revisions, but not added/removed line counts. I'd like to try a `[---+ ]` sort of size hint element (see D16322 for more) as a general approach to conveying size information at a glance and see how it feels, since I think the raw size number isn't very scannable/useful and it may be a significant improvement to hint about how much of a change is throwing stuff out vs adding new stuff. This just makes the data available without any subquerying and doesn't actually change the UI. Test Plan: Created a revision, saw detailed change information populate in the database. ``` mysql> select * from differential_revision where id = 292\G *************************** 1. row *************************** id: 292 title: WIP originalTitle: WIP phid: PHID-DREV-ux3cxptibn3l5pxsug3z status: draft summary: asdf testPlan: asdf authorPHID: PHID-USER-cvfydnwadpdj7vdon36z lastReviewerPHID: NULL lineCount: 41 dateCreated: 1513179418 dateModified: 1513179418 attached: [] mailKey: h4mn6perdio47o4beomyvu75zezwvredx3mbrlgz branchName: NULL viewPolicy: users editPolicy: users repositoryPHID: PHID-REPO-wif5lutk5gn3y6ursk4p properties: {"lines.added":40,"lines.removed":1} activeDiffPHID: PHID-DIFF-ixjphpunpkenqgukpmce 1 row in set (0.00 sec) ``` Reviewers: amckinley Reviewed By: amckinley Differential Revision: https://secure.phabricator.com/D18832