htmlreport: remove link to the forum since it is no longer available.
htmlreport: only include verbose messages if they differ from the regular/actual message.
Fixed #3262 (Tokenizer: wrong 'return a=1,b=2,...;' simplification;)
Revert "Fixed #6230 (SymbolDatabase: Wrong function() is set for token)"

This reverts commit 685fce6b917b3d071707b5b914d8c45ed8385725.
Symboldatabase: improved look up of delegate constructors
Fixed #6270: Cross compiling instructions for cppcheck are wrong.
Merge branch 'master' into travis_gcc_testsuite