Prefer init list and add missing initializations
Fix a logging message and a comment
Merge pull request #52 from asmaloney/minor_changes

Fix a logging message and a comment
Merge pull request #51 from asmaloney/init_fixes

Prefer init list and add missing initializations
Drop M3 Importer.
{COLLADA} Add detail to some errors/warnings & prefer '<>' for elements for readability
Merge pull request #53 from asmaloney/collada_warnings

{COLLADA} Add detail to some errors/warnings