meta/FlexibleSUSY.m: do not process lattice C++ source files
Adapt tower example to commit 096fb02e2d0637a87ad22a7b776a5a71dfb980a8
Add model suffixes to more variable names in tower example

For the sake of coherence.
doc/paper.tex: introduce command \mathematica

Its definition is Mathematica, as is capitalized on
http://www.wolfram.com/mathematica/ .
doc/paper.tex: insert \@ between a capital letter and \xspace

For a correct intersentence space.
doc/paper.tex: add macros
doc/paper.tex: follow up Peter's comment
doc/paper.tex: add section "Flexible Applications"