Corrected comments exceeding that of an 80-column limit in bthdiss.cls. Removed redundant author attribution which is made clear via the adjoined LICENSE and public commit history.
Untabified TeX source files using tabs for some reason.
Corrected some lines exceeding that of 80 columns, and added some necessary comment notation to avoid endlines where not desired.
Added some target ignores to .gitignore specifying Emacscs- and some other garbage files.