[idl] add thrift yarp::os::Value wrapping test
[idl] allow generated messages to be sent with RpcClient/RpcServer [thanks @elen4]
Improved bash completion script to handle all yarp-config commands' arguments
Update to doxygen 1.8.5
Docs: Add option to generate tag file
use ResourceFinder to locate authentication config, fixes #99
"AnalogWrapper: changed name of parameter from 'total_taxel' to 'channels'.

total_taxel was a name for a skin device but it make no sense for a general purpose sensor, so it has been changed to a more
generic channels. config files need to comply.
[idl] migrate tests from Port to RpcClient/Server; allow RpcClient to write without expecting reply
[idl] give clearer warning about missing methods [thanks @elen4, @vtikha]
bring back header file needed under MSVC
[idl] add ::unwrapped helper for thrift-generated classes [thanks @elen4]
100% CPU load bug solved
Added bash completion for yarpserver
Added required #includes to yarp/os/idl/Unwrapped.h to avoid compilation errors on Mac with clang [thanks Francesco Romano]