patch 7.4.872

Problem:    Not using CI services available.
Solution:   Add configuration files for travis and appveyor. (PR #401)

appveyor.yml

@@ -0,0 +1,15 @@
+version: "{build}"
+
+before_build:
+  - '"C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64 /release'
+
+build_script:
+  - cd src
+  - sed -e "s/\$(LINKARGS2)/\$(LINKARGS2) | sed -e 's#.*\\\\r.*##'/" Make_mvc.mak > Make_mvc2.mak
+  - nmake -f Make_mvc2.mak CPU=AMD64 GUI=yes IME=yes MBYTE=yes ICONV=yes DEBUG=no PYTHON_VER=27 DYNAMIC_PYTHON=yes PYTHON=C:\Python27-x64 PYTHON3_VER=34 DYNAMIC_PYTHON3=yes PYTHON3=C:\Python34-x64
+  - .\gvim -u NONE -c "redir @a | ver | 0put a | wq!" ver.txt
+  - type ver.txt
+
+test_script:
+  - cd testdir
+  - nmake -f Make_dos.mak VIMPROG=..\gvim