Reuse WP_Stream_Settings::get_active_connectors()
Include connector class checking

Before adding & registering a connector, check if the connector's class
is a subclass of WP_Stream_Connector
Introduce WP_Stream_Connectors::admin_notices()

The new method is added to the admin_notices hook by load() and will
print messages stored in $admin_notices
Fix connector labels storing
Use post type as the Context name for the Comments connector
Updated German Language Pack

Added some translations to german translation pack.
German Translation
Revert "Use post type as the Context name for the Comments connector"

This reverts commit 1e9fe94fdfc4ddf1a9e5c768d3753f555da7a1d3.
[issue-261] Log post type as context for comments actions
Fixing undefined notice, comment_ID typo
Merge pull request #273 from x-team/issue-261

Issue 261: Use post type as the Context name for the Comments connector
Merge pull request #271 from pascal-klaeres/language-german

Language german
Prefix global var to avoid collision with others' code #277
Break of the loop instead of terminating the function #277
To allow logging of reordering actions
Fix sidebar name logged in reorder operations #277
Used to reference the last sidebar available, not the changed one
[CS] Drop one-liner conditional
Proper `default` detection in wp_stream_filter_input

Resolves #280
Merge pull request #265 from x-team/refactor-WP_Stream_Connectors

Refactor WP_Stream_Connectors
Merge pull request #281 from x-team/issue-280

Proper `default` detection in wp_stream_filter_input
Release notes for 1.2.4