refreshed the corebird application icon
Remove font dependency in tweet-list-entry and -info-page
TweetInfoPage: try to show replies to the shown tweet

... there's unfortunately no API point for this, so we just use
1.1/search/tweets.json.
The current implementation stinks, the replies should ideally only be
shown when the user scrolls up, and not by default as it is now.
Merge branch 'icons' of git://github.com/ryanlerch/corebird into ryanlerch-icons
added an appdata file for corebird.
TweetListEntry: Move inline tweet buttons to the top
TweetInfoPage: Show 5 replies max.

... Also, add a bunch of checks if in_reply_to_status_id really exists
or if it is null.
ImageDialog: Fix valac warning
Merge branch 'master' into tweet-replies
TweetListEntry: Remove GtkOverlay

... and move the inline buttons in the upper part of the entry.
TweetListEntry: Hide the conversation_label on hover
Merge branch 'master' into tweet-buttons2
TweetListEntry: Fix more-button label

...and remove the margin_end that slipped in last time.
Merge pull request #33 from ryanlerch/appdata

added an appdata file for corebird.
MainWindow/switch_page: If cur_page == page_id, just call on_join

... it won't be accessible via the back button, but it's still better
than our current approach of just ignoring it.
TweetListEntry: Try to use a GtkOverlay again
MainWindow/switch_page: If cur_page == page_id, just call on_join

... it won't be accessible via the back button, but it's still better
than our current approach of just ignoring it.
Merge branch 'master' of https://github.com/baedert/corebird
TweetListEntry: Let the hover box draw a background

This way, when hovered, the hover_box will just shadow the
screen_name_label which is often beneath it.
TweetListEntry: Decrease the space between username and text