[MODCLUSTER-414] Fix compilation warnings in the native part - mod_proxy_cluster part
* lines 958, 957, 677, 956: move several statements that are used only in \#ifdef-s
* line 2669: remove unused variable userdata_key
* line 1709: initialize variable
* line 1419: unformattable data passed to debug log
Merge pull request #98 from jfclere/master

Fix the /null context in the Aliases tests.
Merge pull request #99 from jfclere/master

Don't do rewrite test on non Apache/2.x servers.
Merge pull request #100 from jfclere/master

Skip some tests for undertow (Probably to remove in later version).
disable a few more things to make undertow pass the testsuite
Merge pull request #101 from emuckenhuber/master

few tweaks so that undertow pass the testsuite
[MODCLUSTER-423] Proxy configuration to allow a desired address/interface to be specified for the AS side of the proxy connection
Merge pull request #90 from rhusar/MODCLUSTER-414_compilation_warnings_mod_proxy_cluster

[MODCLUSTER-414] Fix compilation warnings in the native part - mod_proxy...
Merge pull request #102 from rhusar/MODCLUSTER-423_proxies_source_network_configuration

[MODCLUSTER-423] Proxy configuration to allow a desired address/interfac...
Prepare for 1.3.1.Alpha1 release
[MODCLUSTER-426] Upgrade jboss-parent to version 16
Merge pull request #103 from rhusar/MODCLUSTER-426

[MODCLUSTER-426] Upgrade jboss-parent to version 16
[maven-release-plugin] prepare release 1.3.1.Alpha1
[maven-release-plugin] prepare for next development iteration
Update version in mod_proxy_cluster.h