update xml
sort auto detected choices by length ascending
auto detect: sort directories by length and list directory names first
return dojo library source root as project source root if it hasn't been set or is blank
unstable 0.4 jar
don't add import if it's already defined
remove outdated comment
apply relative path preference only when apply button is clicked
track modified state on settings text changes. relates to #76
track modified state on settings text changes. closes #76