Made a makefile show its progress consistently, by listing only the source file names.

That change avoids the confusion of seeing some names shown twice.
Fixed ca65's "ubiquitous_idents" feature.

Before the fix, that feature couldn't recognize a standard op-code mnemonic, that wasn't replaced by a macro, if it was on a line without a label.

This patch was written by Jeremy Turner.
Removed a now-redundant line.
Added a top border to a file's header comment.
Merged branch "master" into ubiquitous.
Merged branch "master" into make.
Merge pull request #62 from greg-king5/ubiquitous

Ubiquitous
Merge pull request #61 from greg-king5/make

Consistent makefile progress report