Add notes for installation of chktex under windows (miktex does not include chktex)
Formatting
Added Latex Beamer syntax support
Changed config file name to windows version (config_file does not allow for more then one config file?)
Merge pull request #1 from tobiasdiez/miktexInstallNotes

Miktex install notes
Readme updates.
Merge pull request #2 from tobiasdiez/beamerSupport

Added Latex Beamer syntax support