WEB: Simplify download page.
WEB: Changed site updated date.
WEB: Set current version to 0.7.10.
WEB: Remove link for unused Git repository.
Add Desktop Entry file.
Add convenience Makefiles for GNU/Linux & BSD systems.
Add svn:ignore properties recursively to folders.
Move source files into "src" directory.
Create directory for source files.
Create release 0.7.10.