Trying to get alternateAjax into custom_config.js

Also some small fixes like var declarations in helper.js, etc.
Merge branch 'master' of https://github.com/SpiderOak/SpiderOakMobileClient into further-adventures-in-branding
spiderOakApp.menuSheetView being called before it exists
Accidentally weinre
Merge pull request #316 from SpiderOak/further-adventures-in-branding

Further adventures in branding
Merge branch 'master' of https://github.com/SpiderOak/SpiderOakMobileClient into issue-315-text-substitutions