switch to c-ares 1.10.0
switch to zlib 1.2.8
switch to libcurl 7.31.0
fix double log message when resetting proxies for host-after-proxy failure, set hard limit on number of http connections
Enforce hard limit on number of concurrent HTTP connections
minor modifications to the overlayfs patch
Merge branch 'wtsi-hgi-master'
add overlayfs support
add check for accessibiliy of /etc/nsswitch.conf
switch to sqlite 3.7.17
connect sqlite logger to cvmfs logger
remove unused p2p code
add pseudo random number generator
replace random() by custom prng class
Merge pull request #14 from cvmfs/master

pull from upstream cvmfs