fix for empty number formatting

@bug W-1766830@
Merging origin/jay/master-pending-emptynumber into master
[maven-release-plugin] prepare release aura-framework-0.240
[maven-release-plugin] prepare for next development iteration
Merge branch 'release'
Doc: Fix typo in appOverview topic
Merge branch 'mary-doc-fix-appOverview-typo'
cleanup for demos tab
Merging origin/jane/master-pending-demofix into master
Merge branch 'master' of github.com:dpletter/aura into bob/master-pending/dpletter-pull
Merging origin/bob/master-pending/dpletter-pull into master
Added ability to set relative or absolute position of scroller

Fixed attribute names and descriptions; added manual testing

Removed whitespace and unnecessary declarations; moved code around for performance
Fixed automatic merge issue
Fixed bug with testing relative scrolling in scrollerTest
Merging origin/jye/master-pending-scroller-scrollTo into master
[maven-release-plugin] prepare release aura-framework-0.241
[maven-release-plugin] prepare for next development iteration
Merge branch 'release'
better error reporting when provided component doesn't exist
@bug W-1780234@
Merging origin/jay/master-pending-providererror into master