First pass at app veyor config and conda install.

Typo fix.

syntax tweaks

syntax tweaks

syntax tweaks

syntax tweaks

syntax tweaks

syntax tweaks

syntax tweaks
install conda packages

install conda packages

install conda packages

install conda packages

install conda packages

actually activate test environment

quiet install, appveyor hates progress bars

fix env activation.
Install sunpy from source, I hope.
Install pip into the env.
Add mingw to the env.

Try and fix compiler stuffs.
Install skimage and pytest-xdist and run py.test for tests.
2 cores not 8

Scrap parallel testing.

Test no compiler setup.
Remove compiler setup script as we are using conda and mingw.
Add build matrix.

Testing current and previous numpy.

syntax fix
Allow one job to fail without killing the whole build.
Attempt to use AppVeyor platform to set arch.
remove allow fail.
add 32 bit builds
Go back to just 64bit now that I know it works!
Rename anaconda install script for AppVeyor
Add badge to README.
Make database/test_commands.py repr tests not check the memory address.
Merge remote-tracking branch 'upstream/master' into testing/app_veyor
Merge pull request #1100 from Cadair/testing/app_veyor

Enable Windows CI testing using AppVeyor.
Merge remote-tracking branch 'upstream/master' into cubes