Merge branch 'release/0.4.8-0.1.0' into develop
Modify doctype and viewport of the HTML templates
Delete duplicated "serve" task in Gruntfile.js
Fix "connect" configuration of  "serve" task
Update removeSurroundingSpaces option of htmlcompressor task from "all" to "max" (because "all" is too aggressive)
Update index.html and index2.html template examples to reflect the correct usage of {{ STATIC_URL }} varaible and {% static %} tag
Update version to 0.4.8-0.1.1
Merge branch 'release/v0.4.8-0.1.1'