Merge pull request #18 from eggrobin/clarify-cotangent-bundle

Clarify cotangent bundle
Merge pull request #19 from eggrobin/clarify-cotangent-bundle

Corrected another mistake, quick fix for a broken glyph.
First draft of the lecture notes.
Added german, clarified bundles.
Merge branch 'fix-fonts' of https://github.com/eggrobin/MMP-II-Lecture-Notes-Spring-2013 into fix-fonts
Merge pull request #20 from eggrobin/lecture-2013-03-16

Lecture 2013 03 16
First non broken XeLaTeX build.