bump standard to C++14 (#1799)

* update requirements to point to our dependencies doc

* bump standard to c++14
diff --git a/BUILD.bazel b/BUILD.bazel
index 15d8369..f7a1162 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -3,7 +3,7 @@
 COPTS = [
     "-pedantic",
     "-pedantic-errors",
-    "-std=c++11",
+    "-std=c++14",
     "-Wall",
     "-Wconversion",
     "-Wextra",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 942ce98..77eb30a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,11 +138,7 @@
   add_required_cxx_compiler_flag(-m32)
 endif()
 
-if (MSVC OR CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
-  set(BENCHMARK_CXX_STANDARD 14)
-else()
-  set(BENCHMARK_CXX_STANDARD 11)
-endif()
+set(BENCHMARK_CXX_STANDARD 14)
 
 set(CMAKE_CXX_STANDARD ${BENCHMARK_CXX_STANDARD})
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
diff --git a/README.md b/README.md
index a5e5d39..0b2a0ab 100644
--- a/README.md
+++ b/README.md
@@ -53,12 +53,10 @@
 The library can be used with C++03. However, it requires C++11 to build,
 including compiler and standard library support.
 
-The following minimum versions are required to build the library:
+_See [dependencies.md](docs/dependencies.md) for more details regarding supported
+compilers and standards._
 
-* GCC 4.8
-* Clang 3.4
-* Visual Studio 14 2015
-* Intel 2015 Update 1
+If you have need for a particular compiler to be supported, patches are very welcome.
 
 See [Platform-Specific Build Instructions](docs/platform_specific_build_instructions.md).