Modularized the parser backend slightly to have the needed hooks
Modified the timestamp format slightly to enable arbitrary postion for
second fractions
Added a regex based seeking parser for textfiles as frontend alternative
to text_import_scanner.l
Regex is using the GLib implementation
Supported frame-data formats are bin, hex, oct and base64
Regex based importing UI
Fixed Meory-leak in ImportTextDialog::exec()
A new tab was added to the text_import ui to accomodate the new fields
Hints are available and styled accordingly