Add new feature flags - mobileid, precompile_asmjs, hardware_512mb_ram (bug 1097428)
Merge pull request #2724 from diox/add-buchets

Add new feature flags - mobileid, precompile_asmjs, hardware_512mb_ram (bug 1097428)
Fix migration introduced in 2a611833 (bug 1097428, bug 1098383)
Philippines is a low-memory region (bug 1094002)