Fixed 2 typos in modelingcommons.html
Fixed erroneous inadvertantly added brackets in interface.html
Combined Modeling Commons declaration and initialization in app.scala into one line
Changed ModelingCommons.java to properly rethrow exceptions when failing to autogenerate model images (preserves stack trace); changed existing model search function to properly display errors in case of server errors and connection errors
Changed FileImage.java to properly rethrow IO exceptions (preserves stack trace when throwing ImageExceptions)
Stopped suppressing unsupported encoding exceptions in MultiPartPostRequest.java
Added some handling of InterruptedException thrown by the HeadlessWorkspace used to auto-generate model preview images