fix automake comment

Makefile.am is not processed by m4, that's why 'dnl' statement
doesn't introduce a comment. Use '##' instead.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Merge pull request #1 from yegorich/comments

fix automake comment
forgot to bump version
add missing option in libsoc_gpio_set_direction comment
remove unused define and make better use of current defines
fixup spaces in README
improve gpio test case to also check hardware level
improve commenting in gpio test
make debug a little less verbose and as such easier to follow
initial threaded, non-blocking interrupt support
fix memory leak and improve code flow
improve error checking and route to avoid memory leaks
remove some uneeded includes
update NEWS and README to reflect support of non-blocking gpio interrupts
added dependancies to README
add mode handling to gpio_request
0.3 release
Change indentation to Linux style

Command used: indent -linux

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Merge pull request #2 from yegorich/indent

Change indentation to Linux style
add libtool to gitignore