Bugfix release

This release fixes a bug with latexrelease and textcomp package

Official release for TeX Live 2019

• Made class compatible to latest LaTeX versions
• Added new options 10bp, 11bp and 12bp for Word-compatible font sizes
• Added new options 10pt, 11pt and 12pt for LaTeX-compatible font sizes
• Made 12bp the new standard font size

New CTAN release

• added option `headline' (thanks to Tobias Hirning) to add information to the header
• TeX Gyre Fonts are now the standard fonts; added new option “oldfonts” for compatibility
• added support for XeLaTeX and LuaLaTeX
• rearranged package (not only) for GitHub
• code cleaning and improvement