* Fix pom.xml to be like other projects
* Check for existence of nodejs download before re-downloading
* Fix Eclipse config files to be like other projects
This fixes five Eclipse "Source folder '...' does not have the output
folder in corresponding output entry 'output..'" warnings in the
"Plug-in Development" category.
Specifically, these are all warnings of the form "The
'javacProjectSettings' build entry should be set when there are project
specific compiler settings".
Manu Sridharan
Ben Liblit
Julian Dolby