Atlas Integration extension for Visual Studio Code

Integrates ATLAS Software into VS Code.
Lets you develop athena in a quicker and more efficient way.

Commands

Below is a list of all commands available in the Command palette.

Command	Description
`Update Copyright`	updates a copyright info in the active editor
`Add Current Package To The Build`	adds active editor's package to the `package_filters.txt` file
`Compile Athena`	compiles athena (executes i. a. `atlas.compileCommand`)
`Test Athena`	tests athena (executes `atlas.testCommand` command)

Below is a list of all available snippets categorized by programming language. The ⇥ means the TAB key.

Trigger	Content
`cfg→`	creates Cfg function returning `ComponentAccumulator` object
`montool→`	creates `GenericMonitoringTool` and defines histograms
`selftest→`	pastes common code for self-testing

Trigger	Content
`readhandle→`	creates `SG::ReadHandleKey` class object
`writehandle→`	creates `WriteHandle` class object
`property→`	creates `Gaudi::Property` class object
`method with event context→`	creates `StatusCode` class object

The extension contributes the following settings:

The extension sets the Python Extension's python.envFile setting to athena's PYTHONPATH location automatically. You get no more "Import could not be resolved" warnings in python files this way.
The ATLAS Terminal lets you set up the environment for athena compilation and testing. After the setup you can safely run the Compile Athena and Test Athena commands.

Initial release