Merge pull request #1 from xtaran/master

Honor common compiler and linker flags
Merge branch 'master' of github.com:theZiz/aha
Small version changes, make clean, merging, etc.
Add option to use a stylesheet instead of inline styles.
Littles changes for the input of Andrew Kvalheim (thanks)
Remove duplicate break statement
digicount is unsigned, so can never be less than 0
Remove unused function "getFutureChar"
Add install target to the Makefile

Add an install target that supports the usual PREFIX and DESTDIR
variables.

Mark the "all", "clean" and "install" targets using the .PHONY
statement.
Update the install instructions
Version 0.4.7.1
Merge pull request #5 from richq/makefile

Improve the install process
Merge pull request #4 from richq/cppcheck

Fix a few warnings raised by cppcheck
Clean target must not fail