ts-tags bash script minor update

README minor update

README update

Futurized to python3

Minor changes: index.py and CL help

Command-line update

Symbolic links feature added

Added more tests for file/folder deletion

Added "config" option to background right-click

Fixed deleteFile bug

Added 'Config' menu item

Added Files->Index menu item

Update: TMSU integration, symbolic links, etc.

Update README

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