ignore broken questions in form exports
remove unused view edit_app_lang
Merge pull request #2083 from dimagi/proxy2

add proxy2 and minor cleanup
fit yt-video to width of parent
don't 404 for valid forms
Merge pull request #2085 from dimagi/form404

don't 404 for valid forms
Merge pull request #2084 from dimagi/vidd

fit yt-video to width of parent
Merge pull request #2078 from dimagi/question-export

ignore broken questions in form exports
Merge pull request #2079 from dimagi/remove-unused

remove unused view edit_app_lang
Update i18n docs

Mainly adding string interpolation example that came up in a recent PR
add proxy2 and minor cleanup
remove couchexport tests from travis
include docs during reindex if required by the pillow
Merge pull request #2087 from dimagi/travis

fix travis build timeouts
Merge branch 'master' into cp-custom-props