Merge pull request #488 from thotypous/master

Save hyphenation algorithm as cre document setting
Merge pull request #489 from thotypous/master

File manager improvements
add missing gettext for buttondialog
Merge pull request #490 from houqp/houqp-master

add missing gettext for buttondialog
fix init koptcontext with all zero bbox
protected call of getWordFromPosition
fix segmentation fault when transforming from reflow to native in blank page
Merge pull request #491 from chrox/master

several crash fixes