Remove alignment tags for some formats (not complete)
Fix #326 + unit test
Spaces cleanup (via CodeMain auto-clean-up on save) thx XhmikosR :)
Formatting.

[ci skip]
Updated change log
Merge branch 'master' of https://github.com/SubtitleEdit/subtitleedit
Export to images now remembers shadow width
Tried to fix a few resource leaks
Trying to fix a few resource leaks