Refactor sequence_parser.cpp

[KOLANICH]

1. switch is abused. It may make sense to populate a data structure, select from it and hope that the compiler would optimize it away.
2. it is too coupled with drawing to screen. It may make sense to emit a sequence of structures describing chunks of text and their styles. And maybe create a separate lib, useful for other software.

[M-griffin]

Thanks for the feedback, I have been thinking of different ways to rewrite this. Trying to picture a good way of parsing the sequences into structures before hand so each election can do an action. Maybe a nice Key/value hashmap build up on the control sequences instead of case statements would work better.

[M-griffin]

Have some ideas on this. Once i get some of the menu system rewrite finished for the dialing directory i'll take a look at reworking this.