Translations:Release notes 0.19/88/en

Forum discussion, commit 13676bfe57. Forum discussion, pull request #4292.
 * Arch_A_Landscape.svg
 * New page templates for the architectural paper sizes Arch B, C, D, E. Also, the possibility to use arbitrary "Custom" paper sizes for TechDraw PDF export and printing is now available. The user still needs to create or download an SVG template matching the desired output paper size.
 * New page templates for the architectural paper sizes Arch B, C, D, E. Also, the possibility to use arbitrary "Custom" paper sizes for TechDraw PDF export and printing is now available. The user still needs to create or download an SVG template matching the desired output paper size.