Test suite: Update file headers and comments
Add "cov-int" directory (Coverity test tool) to .gitignore file
Platforms.txt: Add and update systems

- Add sparc/unknown/openbsd5.5
- Update powerpc/apple/darwin7.9.0
- Update x86_64/unknown/linux-gnu, Open64
- Update x86_64/unknown/linux-gnu, Sun C 5.12/Solaris Studio 12.3
- Update x86_64/unknown/linux-gnu, tcc 0.9.25

Thanks to Götz Hoffart <goetz@hoffart.de>!
Test suite/platformtest.sh: Detect when tests have been skipped

Detect if some tests have been skipped, for example when telnet(1) or expect(1)
is missing: ./contrib/platformtest.sh will echo a warning message now.
Add "tests-skipped.lst" to src/testsuite/.gitignore
Update config.guess and config.sub to recent versions

- config.guess: 2014-03-23
- config.sub: 2014-05-01
Debian: Correctly set and use "docdir"
Debian: Don't adjust path names that are correct by default
New "Debian release" 21.1-0ab2

(cherry picked from commit 48fcb97fa4a2762a873d9d693c7a126588a1811d)
Increase MAX_SERVERS from 16 to 64

There are installations out there that would like to configure more
than 16 links per server, so increase this limit. Best would be to
get rid of MAX_SERVERS altogether and make if fully dynamic, but
start with this quick and dirty hack ...
Platforms.txt: Add and update systems

- Add armv7l/unk./linux-gnueabihf
- Add x86_64/apple/darwin14.0.0

Thanks to Götz Hoffart <goetz@hoffart.de>!
Initialize Conf_ScrubCTCP even when SYSLOG isn't #define'd

The "SYSLOG" #define isn't related to "Conf_ScrubCTCP" at all, so
initialize the latter even when "SYSLOG" isn't #define'd.

Pointed out by wowaname on #ngircd, thanks!
Merge remote branch 'upstream/master'