Fixes issue #1455
Document correct HTTP methods used
add yahttp LICENSE and README.md to dist tarball
Fix a Clang warning on OSX

In file included from unix_semaphore.cc:24:
./utility.hh:53:10: warning: private field 'm_pSemaphore' is not used
[-Wunused-private-field]
  sem_t *m_pSemaphore;
           ^
Fix remotebackend tests without socat

When socat is not installed, the testrunner would fail instead of
exiting without testing as planned.

This also adds `set -x` to the testrunner for future error diagnosis.
OSX 10.9 now has IP_PKTINFO
remove unused gpgsql-socket option and document postgres socket usage
next version is 3.4.0 s/3.4/3.4.0
WORDS_BIGENDIAN not defined on sparc Solaris 10
don't abort make on failure in travis
Merge pull request #1513 from mind04/pgsql

remove unused gpgsql-socket option and document postgres socket usage
Merge pull request #1514 from mind04/solaris

WORDS_BIGENDIAN not defined on sparc Solaris 10
Merge pull request #1508 from zeha/remotebackend-test-no-socat

Fix remotebackend tests without socat
Merge pull request #1506 from mind04/v3.4.0

next version is 3.4.0 s/3.4/3.4.0
Merge pull request #1504 from cmouse/remotebackend-docs-correct-methods

Document correct HTTP methods used
Merge pull request #1503 from cmouse/fix-issue-1455

Fix remotebackend pipe connection-string documentation
Merge pull request #1505 from mind04/yahttp

add yahttp LICENSE and README.md to dist tarball
Document optional trace-regex in rec_control help

To clear tracing, rec_control trage-regex should be called without a regex parameter. Document in rec_control help.
Manpage: document all known options for rec_control

The rec_control manpage was missing a number of options that were mentioned in rec_control help. Rectified.
Manpage: small parameter syntax consistency

Add <> around all parameters.