v3.11.0.0

Tagging UHD-3.11.0.0 Release

UHD-3.11.0.0-RC1

• N310: Added driver
• UBX: Add support for CAL antenna for Rev E
• Added the module peripheral manager (MPM) with all subcomponents (N310
  drivers, mpm_shell, RPC server, BIST, etc.)
• UHD: Added rpclib as a internally tracked dependency
• UHD: Reduced the usage of Boost
• UHD: Updated uhd_images_downloader: Now uses more elaborate manifest
  to optimize downloads
• UHD: Introduced uhdlib internal include paths
• UHD: Add support for configuration files. USRP settings can now be set
  using a uhd.conf file in addition to device args
• UHD: Add narrow and narrow_cast
• gr-usrptest: Various bugfixes
• Updated required Vivado version to 2017.4
• Updated all license headers to use SPDX identifiers and correctly
  identify Ettus Research as part of National Instruments
• This release includes all bugfixes and features from previous
  releases, in particular, the 3.10.* release cycle