Merge pull request #70 from l-korous/coupling

Coupling
temporary fix in Hermes. Has to be consulted with Lukas and introduced to Hermes itself, otherwise will be reverted in the next synchronisation
fixed bug in connection of txtFrequency
Merge remote-tracking branch 'kus/coupling' into coupling
fixed Lenses example
fixed loading mesh
windows fix
new version
fixed error with solve() with no field
fixed table in examples
fixed problem with missing field in mesh()
temporary fix
corrected plugin_ru_RU
fr_FR modifications
Merge remote-tracking branch 'denys/coupling' into coupling
fr_FR update
minor, no effect, but safer
fr_FR update
fr_FR update2
basic clang and llvm support