Fix removeKeyMap for string keymap values
[python mode] Add MIME for Cython dialect
Fix bug in addLineWidget.

Fixed clipping of the insertAt index.
Fix addLineWidget documentation.

Removed "pos" parameter.
Fix selecting until the start of a bidi line
Support 'title' option to markText

Issue #1654
Added SPARQL 1.1 keywords to the SPARQL mode.
Add convenient event methods to all event-emitting objects

i.e. linehandle.on, markedrange.off, etc.
[activeline addon] Don't get confused by collapsed spans

Issue #1668
[smartymixed mode] Add
[smartymixed mode] Integrate
[vim] Disable insert mode if document is readonly
Fire DOM event from contextmenu handler

Issue #1674
[real-world used] Add CodeZample
[closebrackets addon] Do not insert pair of quotes right after the word
[css mode] Add several non-standard but very common CSS properties
Remove trailing whitespace
[base16 themes] Add
[base16 themes] Integrate
[foldcode addon] Make sure unfold event is always fired

Also adds parameters to a range's clear event.

Issue #1678
Issue #1679