Adding actions to the EnvironmentVariables wizard to perform add,edit & remove
Fixing tooltip for add
Removing Context menu actions
Removing toolbar actions
Adding buttons for editing Environment variables
Moved buttons to the side, scrollbar now showing
Removed scrollbar, unused imports
Reduce spacing between controls
change the labels from New to New... and Edit to Edit... (and leave Remove as is) to follow the Eclipse UI convention.
Updated environment part to raise notifications when environment variables change
Adding actions to the EnvironmentVariables wizard to perform add,edit & remove

Fixing tooltip for add

Removing Context menu actions

Removing toolbar actions

Adding buttons for editing Environment variables

Moved buttons to the side, scrollbar now showing

Removed scrollbar, unused imports

Reduce spacing between controls

change the labels from New to New... and Edit to Edit... (and leave Remove as is) to follow the Eclipse UI convention.

Updated environment part to raise notifications when environment variables change
Merge branch 'gh-60123062' of https://github.com/Phanatic/eclipse-integration-cloudfoundry into gh-60123062
Fix disabling of edit/delete buttons when there are no more environment variables
Merge pull request #20 from Phanatic/gh-60123062

Add operation buttons to Env Variables wizard page. Accepting for now, but requires further UI fixes that will be delivered in a separate commit.