Publish version 0.2.1.X (#18)

- fix pester test execution order in vscode test task.
- fix coveralls.io link in bagde.
- skip coverage report creation for PR triggered builds
- update docs
- Connection type SCP added for `Connect-To` and `Disconnect-From`.

## Internal Changes
- pester tests now don't need to dotsource other public functions from the same module (fixes #17 )
  - helper and private functions stilll needs to be dotsourced.
- basic module tests added
- pester tests for `Resolve-Dependency` added
- Wrapper function  `Get-ModuleBase` added. This enables mocking in tests.

tools/AppVeyor.psm1

@@ -95,7 +95,7 @@ Function Invoke-AppVeyorTests() {
         Details = 'Now running all test found in .\tests\ dir.'
     }
     Add-AppveyorMessage @MsgParams
-    $testresults = Invoke-Pester -Path ".\tests\*" -ExcludeTag 'Disabled' -PassThru
+    $testresults = Invoke-Pester -Path ( Get-ChildItem -Path ".\tests\*.Tests.ps1" -Recurse | Sort-Object -Property Name ) -ExcludeTag 'Disabled' -PassThru
     ForEach ($Item in $testresults.TestResult) {
         Switch ($Item.Result) {
             "Passed" {