Rename ManiphestTaskQuery::withProjects() to withAllProjects()
Summary: After D3630, make the API more clear: withAllProjects() vs withAnyProjects()
Test Plan: Loaded project page, maniphest task query, reports, filtered by project and "noproject". Grep.
Reviewers: btrahan
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T1610
Differential Revision: https://secure.phabricator.com/D3631