Misc build system changes.

[tonystone]

• Shortened cmake target names.
• Add documentation generation.
• Fix closing of workspace possibly by adding user info to workspace directory. Create a workspace from Xcode to see if you can get it to work.

[codecov-io]

Codecov Report

Merging #191 into master will increase coverage by 0.13%. The diff coverage is 92.85%.

@@            Coverage Diff             @@
##           master     #191      +/-   ##
==========================================
+ Coverage   99.37%   99.51%   +0.13%     
==========================================
  Files          40       40              
  Lines        2096     1634     -462     
  Branches      137        0     -137     
==========================================
- Hits         2083     1626     -457     
+ Misses         13        8       -5

Impacted Files	Coverage Δ
Sources/GeoFeatures/GeometryCollection.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/MultiLineString+Geometry.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/Geometry.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/MultiPolygon.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/Coordinate.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/Polygon.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/MultiLineString+Curve.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/Polygon+Surface.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/LinearRing+Curve.swift	100% <ø> (ø)	:arrow_up:
Sources/GeoFeatures/LineString+Curve.swift	100% <ø> (ø)	:arrow_up:
... and 65 more