This has basic handling of GUI projects. But further work will be needed to handle addons etc, the plan is that we will be able to run addons from the command line soon.
* added support for reading borland c++ builder 6 projects
* add: fetch sysdefines from project
add: start providing bcb6 predefines (WIP)
* configure all the internal defines for BCB6
* make sure define strings don't start with ';'
* improvements on bwoesters BCB6 project support
- improved `*.bpr` XML handling by reducing the number of loops
- added `const` where aplicable
- optimized compiler argument parser performance
- reformatted code with provided astyle config
* - undo looping (keep it the same as the other implementations)
- keep parsing of cflags simple and separate from the synonym cleanup (no need for micro optimization in this place)
- move input validation to FileSettings::setDefines
- re-run astyle
* use [] instead of at() when comparing characters
* Define value parsing from compile_commands.json
* Handle escaping in defined values
* Added test for importCompileCommands
* Added used defines for imported projects
* Fixed unnecessary string literals
* transform relative paths with the help of the project dir to absolute
paths so the actual checker can resolve include paths defined in
property sheets
* fix coding style (one-line if)
* add existing importproject testfile to visual studio project to appear
when loading solution
* also explicitly export struct from within class to enable linking in
testrunner