fix fetching of base64 encoded text elements
remove webkit cache to force cid object refetching
close document after showing window
replace gtk 3.10 deprecated stock and images
reinstate suppression of clang warning
fix creation of blank documents
set empty edit menu label
contitionally disable inapplicable options from part menu
add accelerators
init struct to 0 to fix bad free
add gettext macros
fetch intl messages
add basic editing toolbar with inline image import