Merge pull request #1 from BerndGabriel/HtmlViewer-11.4-to-11.5

Html viewer 11.4 to 11.5
Updated: Documentation
Updated: Help
Updated: compiled framedemo FrameDem.exe
Code fixes to compile in Delphi 6
Initial implementation of Progress

Only tested on Delphi 6
TProgressBar has Style from 2010. This may be in earlier versions.
Fixed: Last character of title is missing.
Merge branch 'HtmlViewer-11.4-to-11.5' of https://github.com/MartinSedgewick/HtmlViewer.git into HtmlViewer-11.4-to-11.5
Merge branch 'ProgressBar' of https://github.com/MartinSedgewick/HtmlViewer.git into HtmlViewer-11.4-to-11.5
Fixed: cannot open form with Delphi < 2010 (unknown Touhc property)
TProgressObj for Delphi > 6
Fixed: Lazarus compile errors.
Merge pull request #2 from BerndGabriel/HtmlViewer-11.4-to-11.5

update from trunk
Updated: Whatsnew.htm
Lazarus print support
Merge branch 'HtmlViewer-11.4-to-11.5' of https://github.com/BerndGabriel/HtmlViewer into HtmlViewer-11.4-to-11.5
Lazarus print support
Fixed: bad typecast / wrong arguments passed to GetImageMask()
Merge branch 'HtmlViewer-11.4-to-11.5' of https://github.com/BerndGabriel/HtmlViewer into HtmlViewer-11.4-to-11.5
Implementation of Meter tag