1.0.10dev: a bit of polish on the AppVeyor helper script.
1.0.10dev: a bit of polish on the AppVeyor helper script.

Be more consistent:
 - use the name of the build steps: ("Init"), "Install", "Build", "Tests"
 - use lower-case for operators (`-match`, `-is`, etc.)
 - use capital-case for parameters (`-Variable`, `-Name`, etc.)
 - clean-up comments




git-svn-id: 50cd48c816abc7a9f40e8e03a4277466cb30a3e4@14478 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac