update version to 0.5.9

set version number to 0.5.8

set version number to 0.5.7

set version number to 0.5.6

set version number to 0.5.4

set version number to 0.5.2

set version number to 0.5.1

Add WordPress plugin for Viewer.JS

(Merge branch 'wordpress')

update webodf revision