Refactoring charsToUnicode into charsToGlyphs
Pruning unreachable code; misc font fixes
Remove extra space
Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into charstoglyphs

Conflicts:
	fonts.js
Fixing properties.widths is null issue; fips197 test file
Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into charstoglyphs

Conflicts:
	test/test_manifest.json
Fixing defaultWidth; variables names
Transfer defaultWidth for files without the file
Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into charstoglyphs
Merge branch 'charstoglyphs' into defaultwidth