Features/spec groups (#8)

* Support for linking and single executable tests

* Add support for and test against MSVCC (#7)

* Initial AppVeyor config

* Alter CMakeLists to accomodate MSVC

* AppVeyor enable submodule init

* Add ciso646 include for macro constants

* Working build on Windows 10

* Add AppVeyor shield to README

* Add pragmas and fix styling issues

* Fix build errors and remove spec_group_t

Author: toroidal-code

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "include/cxx-prettyprint"]
 	path = include/cxx-prettyprint
-	url = https://github.com/louisdx/cxx-prettyprint.git
+	url = https://github.com/toroidal-code/cxx-prettyprint.git
 [submodule "include/optional"]
 	path = include/optional
 	url = https://github.com/akrzemi1/Optional

.travis.yml

@@ -18,7 +18,7 @@ before_script:
 
 script:
   - make
-  - make spec
+  - ./spec/spec_runner
 
 os:
   - linux