Remove unused options

Indent some text, makes it clearer where the begin and end of
envoirnments are
Use \emph instead of \textit for terms in the text
Some improvements for StationMap

Wrap text paragraphs at 72 char
Use \rule\textwidth for assignment answer lines instead of tabular
Indent some text to make it clear where envoirnments start and end
Use \hisparc insteaf of HiSPARC
Fixes in AirShowersUitw

Use \hisparc instead of HiSPARC
Fix indentations
Remove some blank lines
Use tikz picture to draw the grid instead of tabular