Restructure the vim directory to make more sense

diff --git a/vim/templates/Makefile_latex b/vim/.vim/templates/Makefile_latex
similarity index 100%
rename from vim/templates/Makefile_latex
rename to vim/.vim/templates/Makefile_latex

diff --git a/vim/templates/class_skeleton.h b/vim/.vim/templates/class_skeleton.h
similarity index 100%
rename from vim/templates/class_skeleton.h
rename to vim/.vim/templates/class_skeleton.h