UTF8

- Added UTF8 string width calculation.
UTF8

- Added more UTF8 unit tests for calculating string length, string width,
  formatted string length, formatted string width.
- Implemented UTF8 text width method for symmetry.
Bug #1189

- Fixed bug #1189, which caused wide Asian UTF8 characters to be measured as
  narrow characters (thanks to Roy Zuo).
Bug #1185

- Fixed bug #1185, correcting man page install location for out-of-tree
  builds (thanks to Jakub Wilk).