Fix (one) typo
Add vim files to gitignore
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	LUniv/univalent.tex
Add subsection about RPI[3]LU and RPI[3]LUniv
Merge remote-tracking branch 'master/develop' into develop
First draft of LUniv's description
First draft of RedRec's description
First draft of LU's description
Add LUniv ref
First draft of RPI's description
First draft of RPI[3]LU and RPI[3]LUniv description
Merge remote-tracking branch 'master/develop' into develop