Miscellaneous improvements

Improve modularity of CMake design
Improve building speed in multicore processors
Files command_event.* moved to core/libs
Remove Armadillo from public core_receiver interface
Uniformize name format for classes
Apply some fixes by clang-tidy
Improve documentation

src/algorithms/channel/adapters/CMakeLists.txt

@@ -31,7 +31,6 @@ target_link_libraries(channel_adapters
         Gnuradio::runtime
         channel_libs
         core_system_parameters
-        core_receiver
     PRIVATE
         Gflags::gflags
         Glog::glog
@@ -41,6 +40,7 @@ target_link_libraries(channel_adapters
 target_include_directories(channel_adapters
     PUBLIC
         ${CMAKE_SOURCE_DIR}/src/core/interfaces
+        ${CMAKE_SOURCE_DIR}/src/core/receiver
 )
 
 if(ENABLE_CLANG_TIDY)

src/algorithms/channel/libs/CMakeLists.txt

@@ -35,16 +35,21 @@ add_library(channel_libs ${CHANNEL_FSM_SOURCES} ${CHANNEL_FSM_HEADERS})
 
 target_link_libraries(channel_libs
     PUBLIC
-        core_libs
         core_system_parameters
         Gnuradio::runtime
         Gnuradio::pmt
     PRIVATE
+        core_libs
         Boost::boost
         Gflags::gflags
         Glog::glog
 )
 
+target_include_directories(channel_libs
+    PUBLIC
+        ${CMAKE_SOURCE_DIR}/src/core/receiver
+)
+
 if(ENABLE_CLANG_TIDY)
     if(CLANG_TIDY_EXE)
         set_target_properties(channel_libs