Show bounds min and max.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Show texture name in navbar when faces are selected.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
- Fix a few memory leaks.
- Allow files to be opened by passing them on the command line.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Minor changes.