Moved and templated interpolation.
Slight changes to alter the way it calculates each step of the vertices.
auto-commit: translation updates
normalise whitespace in Changelog.txt
don't provide implementations of disabled Sector copy & assignment

Fixes GCC -Wreturn-type warning and prevents accidental use of the
copy-constructor or assignment operator (use will result in link failure
at build time).
Merge pull request #2771 from fluffyfreak/minor-patch-optimisation

Patch alteration and math util