Version 1.3.1 * Disable panel applet support by default (Javier Jardón, #603423, #580422) * New topic-based help (Paul Cutler and the rest of the docs team, #622228) * Add libproxy support to web sync (Alejandro Cura, #621249) * Support LaTeX add-in on Mac (Tobias Abenius, #618577) * Fix `make run` for developers (#431833) * Document --debug option in manpage (Carlos Arenas, #602376) * Translation updates: de, es, et, gl, he, hu, ms, nb