FMSLogo Code

Update with the results from the 8.5.0 test pass.
Some of the fonts appeared a little bolder, but it still looked close enough to me.
There's a bug in the test for FIRSTS that wasn't updated when FIRST was fixed to allow the empty array.

Update mklocale.pl to always retranslate everything in the pseudolocale.
This fixes a build break that stopped the official build for 8.5.0 that was caused by a "bad translation" that didn't get retranslated (really a syntax error).

Increment the version to 8.5.0 to prepare for the next release.

Prepare a README for version 8.5.0.

Reorder the bug fixes for 8.5.0 to be in numeric order.
This is consistent with how the others are arranged.

Add a "current_line" local variable in the re-treeification logic in eval_sequence.
Before it was using the global variable "this_line", but not for any apparent reason.
This makes it structually clearer that "this_line" is not conceptually modified.

Add some comments to explain the re-treeification logic at eval_sequence.

Add a local variable "bodylist" to make the code more readable.

Add some comments to paren_expr

Add EVALTEST.DEFINEAFTERRUN.
This tests that calling a procedure that isn't defined throws an "I don't know how to" error,
but that after the procedure is defined, the calling procedure is retreeified and runs correctly.