0.7.5

Features

• adds rudimentary support for setting the @readingDirection on segments as well as adding improved support for right-to-left ground truth creation in the TextViewer
• changes the behavior when merging segments to add all textlines contained in the merged segments to the newly created segment, instead of deleting them on merge
• adds button to toggle region highlighting (see #323)
• adds setting to distance and time delta for double clicks (see #322)
• updates Virtual Keyboard presets
• adds first unit test scaffolding (thanks to @M3ssman)

Bugfixes

• fixes bug which prevented setting the textline reading order on newly created regions
• fixes bug which tried to unrotate even if no offset vector / center exists
• fixes null pointer exception for cases where no glyph confidence is set
• fixes text overflow for region ids in the reading order panel

Other

• removes multiple unused imports
• includes minor JavaScript refactoring
• fixes dead links in the README