Adds "releaseext" target for creating extension releases
Renames to standard names and uses implementation from mwlib
Renamed files
Fixes CSS classes for HTML stage client
Merge https://github.com/Arcavias/arcavias-core
Merge pull request #328 from nsendetzky/master

Fixes CSS classes for HTML stage client
Merge branch 'master' of https://github.com/Arcavias/arcavias-core
Adds setup task to fix email status types and values

The status mapping  was changed a month ago but the migration was missing
Merge pull request #329 from nsendetzky/master

Adds setup task to fix email status types and values
Removing excel implementations
Adds content reader
Implements facetted search in mshoplib and attribute filter html client
Merge pull request #330 from nsendetzky/2013-11-17_facetted-search

Implements facetted search in mshoplib and attribute filter html client
Fixes tests for language support
Adds workaround for content in zip containers

The stream from the file in the zip can't be rewinded so it's closed and reopened again
Merge pull request #331 from nsendetzky/2013-11-17_facetted-search

Adds workaround for content in zip containers
Fixes tests and adapts code
Merge https://github.com/Arcavias/arcavias-core into 2013-11-12_Updated_Export_Import_Controller
Removes unused code, fixes all tests