add AppleScript interface

[1024]

ref. Introduction to Cocoa Scripting Guide - Apple

ref. How do I add Applescript support to my Cocoa application? -stackoverflow

[1024]

Add very first-stage scripting definition (ref #28)

→ <<cset 6eabd44a41e1>>

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Add some properties to scripting definition (ref #28)

→ <<cset 979618e131d6>>

[1024]

Add window class to scripting definition (ref #28)

→ <<cset d5773a1c5d28>>

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Add demensions property (ref #28)

→ <<cset 71394d4f79cf>>

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Move scale property for scripting from document object to window object (ref #28)

→ <<cset 08ac60d86472>>

[1024]

Remove plaintext property from scripting definition (ref #28)

→ <<cset 94b77cadbc48>>

[1024]

Add 'save as' to scripting definition (ref #28)

→ <<cset f9dfe04d63de>>

[1024]

Rename 'save as' scripting command to 'export to' (ref #28)

→ <<cset dcd3bca2d33d>>

[1024]

Implement save operation via AppleScript (resolve #28)

→ <<cset f882294b1a49>>