Silencing curl output when uploading coverage on AppVeyor

Powershell seems to treat curl's stdout as error. Reference:
https://community.codecov.io/t/bash-uploader-returns-error-code-on-appveyor/1682/15

Tweaked trigger to suggest using a config file (fixes suoto#77)

Handling git not being installed (fixes suoto#72)

Fixed corner cases when checking for latest version (closes suoto#63)

Handling escaped Verilog identifiers

Fixed an issue that prevented messages being shown

Warning of deprecated Python 2.7 in future releases

git release test does not run in appveyor

Removing dependency on 'sort' parm for git ls-remote

Adding how to use LanguageClient-neovim