improve udp query statistics
keep statistics for tcp queries and queries with do bit
add qtype to unauth-queries statistics
Add clang compiler
Now uses send/recv wrapper to handle exceptions and connector rebuild
Merged CoProcess into pipeconnector
Added endl to log messages in send/recv wrapper
Merge pull request #904 from cmouse/travis-clang

Add clang compiler
Merge pull request #905 from cmouse/remotebackend-pipe-connector

Remotebackend pipe connector
Merge pull request #891 from mind04/stat

improve query statistics