Updated CMakeLists in preparation for the 2.2 release

I also noticed that CMakeLists still didn't require LibFabric 1.12 even
though we updated our dependency to that version, so I fixed it.

CMakeLists.txt

@@ -4,8 +4,8 @@ set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
 project(derecho CXX)
 
 # Version
-set(derecho_VERSION 2.1)
-set(derecho_build_VERSION 2.1.0)
+set(derecho_VERSION 2.2)
+set(derecho_build_VERSION 2.2.0)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1z -fPIC")
 if (${USE_VERBS_API})
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_VERBS_API")
@@ -50,7 +50,7 @@ endif()
 # libfabric_FOUND
 # libfabric_INCLUDE_DIRS
 # libfabric_LIBRARIES
-find_package(libfabric 1.7.0 REQUIRED)
+find_package(libfabric 1.12.1 REQUIRED)
 
 # spdlog is a packaged system library, so this probably isn't necessary, but
 # it helps ensure that the right version is installed

src/core/git_version.cpp

@@ -11,10 +11,10 @@
 namespace derecho {
 
 const int MAJOR_VERSION = 2;
-const int MINOR_VERSION = 1;
+const int MINOR_VERSION = 2;
 const int PATCH_VERSION = 0;
-const int COMMITS_AHEAD_OF_VERSION = 138;
-const char* VERSION_STRING = "2.1.0";
-const char* VERSION_STRING_PLUS_COMMITS = "2.1.0+138";
+const int COMMITS_AHEAD_OF_VERSION = 0;
+const char* VERSION_STRING = "2.2.0";
+const char* VERSION_STRING_PLUS_COMMITS = "2.2.0+0";
 
 }