Remove unwanted </xml> in the XML file template
IDEX-1415 Unregister dedicated XML editor - also fixes IDEX-1024
Merge pull request #227 from mleduque/IDEX-1415

IDEX-1415 Use default editor for XML files
IDEX-1395 Removed showing already showed notification
IDEX-1341
IDEX-1402
IDEX-1414 use tree for selection runner environment configuration
IDEX-1414 use tree for selection runner environment configuration
Merge remote-tracking branch 'origin/master'