Migrate script definition files to sdef format (#226)
Fix text selection object (#226, #54)
Add `file` proeprty to document for scriptiong (#226)
Fix encoding fo sample scripts
Fix several sample scripts
Fix objectSpecifier method
Rename `unicode normalization` script command to `normalize unicode`
Make `path` proparty for scripting hidden (#226)
Add description to result in sdef (#226)
Rename script handler methods
Simplify enemurators in sdef
Modify descriptions in sdef
Fix scripting commands for document object
Replace tabs with 4x spaces in sdef
Fix document saving via script
Update document for AppleScript
Merge branch 'feature/226_sdef' into develop