check main document:  forgotten
Latex depends: add path prefix

Latex files in subfolders have a relative path.
Inside these latex files, the paths to other files is also relative, e.g.:
path/to/document.tex:
\input{subfolder/subdocument} --> path/to/subfolder/subdocument
Merge branch 'Makefile' of https://github.com/Angel707/htwdd-sensornetze-latex into Makefile
rename Makefile
pdflatex: halt on error, errorstopmode
Configuration removed from this file
test configuration variables
Project-Makefile
Spelling errors in Makefile variables
test configuration variables: better messages
make clean/distclean: try to delete parent directories
recursive makefile

this Makefile can call the project makefiles.
project makefiles
pdflatex: batchmode