when touching the border of the snackbar or more precisely the space between the input field and the snackbar Conversations would switch into a random conversation for yet unknown reasons.

Merge branch 'dont_trust_cas_preference' of https://github.com/BrianBlade/Conversations into BrianBlade-dont_trust_cas_preference

Conflicts:
	src/main/res/values-de/strings.xml
	src/main/res/values/strings.xml

Bugfix for issue #1121

check with lowercase to also match JPEG, JPeg ...

changed image url in comment

Add a new "Don't trust system CAs" preference under advanced options
that will change the behaviour of the MemorizingTrustManager. All
formerly unknown certificates will raise a warning if checked.

Enable end-conversation by swipe gesture

Add EnhancedListView library de.timroes.android:EnhancedListView:0.3.4
to enable swipe-out for ListViews

Re-enable selectableItemBackground

Dont end selectedConversation on swipe

Call mConversationFragment.reinit() instead.
Add separate undo string for swipe MUC.

Add blacklistedConversation for undo swipe

Update title_undo_swipe_* strings

Fix undo(), rename blacklistedConversation

Fix discardUndo(); re-init selectedConversation

maintain scroll position after undo

clear notification when dismissing a conversation

modified / simplified maintain scroll position code

simplify handling of selectedConversation

change undo_muc string, remove notifyDataSetChanged()

Fix OTR-Error messages (#1021)

Merge branch 'account_state_switch' of https://github.com/BrianBlade/Conversations into BrianBlade-account_state_switch

Update french translation

Send out OTR-Errors on unreadableMessageReceived() as well, not only on
messageFromAnotherInstanceReceived

Add a switch to AccountAdapter that allows self-contained enabling/disabling of
accounts without the need to bring up the context-menu