Added a bunch of documentation to btquotient.py
Fixed several conflicts when merging in all.py and pautomorphicform.py

Merge branch 'master' of https://github.com/haikona/OMS

Conflicts:
	sage/modular/btquotients/all.py
	sage/modular/btquotients/pautomorphicform.py
Merge branch 'master' of https://github.com/roed314/OMS