Add information about which drivers are the default drivers.
Merge pull request #96 from groessler/something_to_pull

Add information about which drivers are the default drivers.
Simplify to use less 'if's. Add missing link options for Atari TGI
programs. Put '--start-addr' at beginning of ld65 command line.
Merge pull request #97 from groessler/something_to_pull

Update for samples Makefile
make ld65 invocation silent again
Merge pull request #98 from groessler/something_to_pull

make ld65 invocation silent again
Make ld65 command line arguments position independent.
Added info directory.
Make ld65 -L command line option position dependent again.
Classified tgi_imulround() as part of TGI API.
Added cc65_umul8x8r16() based on umul8x8r16.
Finetuned Git commit hash retrieval.

- Force usage of shell wrapper in order to allow to suppress potential message about git not found (thanks to Greg King).
- Do $(info GIT_SHA ...) only if there's something special - as done with the other $(info ...).
Fixed typo.
Added explicit wiki link.
Make ld65 -L command line option position independent again.
Handle long versions of command line arguments correctly.
Merge pull request #99 from groessler/something_to_pull

Make ld65 command line arguments position independent.