Redesign mobile home page
Seperate build/watch scripts
Specify node version
Add npm install to postinstall script
Revert "Add npm install to postinstall script"

This reverts commit cb49e309d7dc8ee72ffe3d20d4e1f271f428b9ac.
Move devdeps into deps for testing server
Set build to default
Switch from gulp clean to rimraf
Rearranged homepage
Format long times better
selftext preview button