arptables: update to 0.0.5 and cleanup

arptables: update to 0.0.5 and cleanup

Update to 0.0.5:

efae894 arptables 0.0.5 release
1f3c6bc libarptc: Simplify alloc_handle by using calloc()
4e5e23a Eliminate compiler warning about size passed to strncmp()
bf11d72 Add .gitignore
28b22d5 arptables: legacy renaming
988d6a4 arptables: cleanup sysvinit script
f4ab8f6 src: Remove support for libc5
047f37b src: Use stdint types
4bb2f83 arptables: Add MARK target
dbbe9f7 arptables: Add revision field for arptables userspace
935acea src: fix compilation warning
5700dbf src: cache in tree and use x_tables.h
4b7d6b0 arptables: remove dead dynamic hooks code
c299484 arptables: fix potential buffer overflow (author: dcb)
9fcaf70 arptables: add missing long option --set-counters and update documentation
36daba3 arptables: install man pages
f79b957 Add man pages for arptables-{save,restore}
c492c16 add GPL text
8f58693 fix potential buffer overflows reported by static analysis
ee4ec13 make static analysis tool happy (false positive)
b064d44 build an libarptc.a archive

Cleanup Makefile:
- Switch to release versions
- Use ftp(http) mirror
- Add PKG_LICENSE_FILES

Signed-off-by: Nick Hainke <vincent@systemli.org>