Fixing some typos in the README

Using converter parameter to invert boolean to visibility.

Hide button is not keyboard focusable.

Adding context menu when right-clicking tree item.

Stacking status text vertically

Collapsing tree nodes with only one child to improve readability.

Ordering filters small to large.

Adding ability to hide individual nodes in the tree view.

Moving download link up in readme

Adding AppVeyor badge to readme

Adding post-build step to copy license, readme to output dir.

Adding AppVeyor configuration file. #8 fixed

Simplifying how chart visibility is calculated. Fixes #7

Parsing float in log file using invariant culture.

Merging latest from master