Merge pull request #955 from sexnothing/develop

Angularjs pi-upload bug fixed
Typo fixes
Merge branch 'develop' of https://github.com/pi-engine/pi into develop
Add README-tag
Implement JS type for user bar
Fixes #347: updated google anaytics code implementation
Updated theme templates with GA code
Added page helper
Cleaning for default theme
Enabled theme asset inheritance
Clean and refactor of Pi theme
Clean code for default theme
Added Feed/Sitemap/Sitemap-Feed pages
Code cleaning
Code cleaning
Code cleaning
Code cleaning
Fix for inherited theme asset pubish
Fix for user email change bugs
Changed time display in themes