Merge pull request koreader#766 from chrox/master

add OTA settings for server mirrors and channels

Merge pull request koreader#764 from NiLuJe/master

A bunch of minor tweaks

Merge pull request koreader#759 from NiLuJe/master

Fix utter breakage of the Kindle startup script.

Merge pull request koreader#754 from NiLuJe/master

Visual feedback on KOReader start & update on Kindle

Merge pull request koreader#748 from chrox/master

add font size menu entry

Merge pull request koreader#745 from chrox/master

show 'no definition found' message when no definition is found in dictionary lookup

Merge pull request koreader#744 from chrox/master

add floating punctuation toggler for EPUBs

Merge pull request koreader#740 from pazos/master

Add wifi toggle for kobos

Merge pull request koreader#737 from WS64/master

remember saved default value for screen mode

Merge pull request koreader#732 from WS64/master

Update TOC settings after some screen mode/hyphenation changes