Also moved around some boxes, eliminated some buttons

... but preProc needs to be adapted

At this stage shinyscreen trivially runs :)

though, the compound list file is still not showing

Fixadduct

See merge request !19

The read.csv function has an idiotic addition to automatically
interpret characters such as # as comments. This will, obviously
murder all SMILEs with hashes.

We made an effort to add comment.char='' to each read.csv call.

Fix cmpd import

See merge request !18