* Depends on 5e581ce9, 2f595455, b0d263f1.
* LazUtils was never built with external links to LCL (See Also and source declarations) because lcl.xct could not be imported. The file does not exist when LazUtils is built.
To solve this problem, the output format for LazUtils is built twice. It is the smaller of the two packages. Building LazUtils twice ensures that the "chicken or the egg" problem with inter-file links is avoided.
* Build LazUtils WITHOUT any external links (faster).
* Build LCL with links to RTL, FCL, LazUtils.
* Build LazUtils with links to RTL, FCL, LCL.
* FPDoc 3.3.X changed the syntax for the --footer argument. It uses an ''@' prefix for file names and treats anythine else as text for the footer.. build_lcl_docs did not handle that syntax. Since we do not know which version of FPDoc will be used, we must handle both.
* Accepts --footer=filename.ext for 3.2.X.
* Accepts --footer=@filename.ext for 3.3.X.
* Accepts --footer="Your text here" for 3.3.X.
* File name expansion and validation occurs in the setter for TFPDocRun.FooterFilename.
* Modifies README.txt and all of the script files (.bat, .sh) to document requirements and usage.
* No default footer file is assumed. Allows output formats to be generated without footers when the --footer option is omitted.
* Removes unused unit LazUtilities from uses clause.
* Renames TFPDocRun.CreateOuputDir to TFPDocRun.CreateOutputDir.
* Fixes strings used in exception and logging messages.
