removing unused code
trash button for deleting the current file
adding back closeFile; saving current question
tweaking console message
filled in "delete this file" button code
auto-opening first source file on question open
Merge pull request #4 from e45lee/ui-changes

[backend] Adjust test searching behaviour + fix contracts.
removing "welcome" message
for clarity, replacing icons with stylized text
added rename/move buttons, some nudging
cleanup
rename+delete file hookups into existing dialogs
whitespace
"new file" dialog works with folders
[frontend/backend] Reworked Marmoset submit system.