LB-856: The DB-upgrade causes errors if SQLite3 engine is used
* calmed
LB-863: After a blog is closed it should disappear from Live Blog menu

Filter closed blogs from live blogs submenu.
LB-856: The DB-upgrade causes errors if SQLite3 engine is used
* try blocks adjusted
Merge pull request #260 from msat-cont/lb-856-calm-db-upgrade-under-sqlite

LB-856: calm db upgrade under sqlite
Merge pull request #279 from petrjasek/lb-863-filter-closed-blogs

LB-863: After a blog is closed it should disappear from Live Blog menu
LB-895: Facebook source is not showing the login with facebook button
* outer-joining fixed
Merge branch 'liveblog-15' into lb-895-join-userless-collabs
LB-871: Twitter posts on timeline don't have the avatar. The avatar is showen then on embed.

Add figure for twitter timeline posts.
LB-894: Twitter is not working because the proxy server is down

Provide sourcefabric cors proxy url.
Merge pull request #284 from petrjasek/lb-894-twitter-cors

Lb 894 twitter cors
Merge pull request #281 from msat-cont/lb-895-join-userless-collabs

LB-895: join userless collabs
LB-860: On Manage Collaborators -> add new collaborators, it is showed only first 20 collaborators.

Fixed.
Merge pull request #285 from eozan/LB-860

Lb 860
NR-989 : Upgrade from Liveblog 1.4 crashes
LB-914: Media deleting should check for (FK-based) exceptions
* fixed
Merge pull request #283 from petrjasek/lb-871-twitter-avatars

Lb 871 twitter avatars
LB-865 : User comment dialog is showed partially out-of-screen (too left)

Fixed.
Merge pull request #289 from nidzix/liveblog-15

LB-865 : User comment dialog is showed partially out-of-screen (too left...
LB-814: Image post does allow comments to be added in a wrong place

Move image before contenteditable on render and
put it back into content on save.
LB-928: When SoundCloud API keys is wrong we don't have appropriate error message:

Fixed.