Bug 965561 - [email] default to not optimize if GAIA_OPTIMIZE=1 is not set r=jrburke
Revert "Bug 964216 - follow-up: fix getEnv issue"

This reverts commit 5d9e0fb1e8fb9ce521026aea0d9f9af45526ff05.
Revert "Bug 964216 - Use build_stage to build keyboard app"

This reverts commit 7df9f588a3658d4579574aa574fec8e09744390e.
Merge pull request #15843 from comoyo/revert-964216

Revert Bug 964216
Merge pull request #15818 from julienw/965561-use-gaia-optimize-email-build

Bug 965561 - [email] default to not optimize if GAIA_OPTIMIZE=1 is not s...