DockerCompose commands refactoring

All dc... commands are now based on Invoke-DockerCompose.
dco is aliased to Invoke-DockerCompose.
dco_ is aliased to the docker-compose binary.
'&' and '!' shorthand introduced to dco to execut in bg as job and wait
for all bg jobs to complete respectively.

docker/dcll.ps1

@@ -1 +1,19 @@
-docker-compose logs "$args"
+[CmdletBinding(SupportsShouldProcess)]param(
+    [ArgumentCompleter({ param (
+        $commandName,
+        $parameterName,
+        $wordToComplete,
+        $commandAst,
+        $fakeBoundParameters
+      )
+      [DockerComposeDirs]::_GetValidValues($wordToComplete,$true)
+    })]
+    [string[]]$ProjectPath=@($PWD),
+    [Parameter(Position = 0, ValueFromRemainingArguments = $true)]
+    [array]$CliParams
+)
+
+if( $CliParams[0] -is [string] ) { $CliParams = @($CliParams,@($null)) }
+$CliParams[0] = @('logs') + $CliParams[0]
+
+Invoke-DockerCompose -ProjectPath $ProjectPath -CliParams $CliParams