* Ref #19906 - replace passPHRASE with passWORD in any user interactions
this skips doccomments and variablenames to minimize impact. It does
however include a rename of the `ethkey` `changepassphrase` parameter
* console: fix JavaScript error capitalization
This commit:
- Adds a --msgfile option to read the message to sign from a file
instead of command line argument.
- Adds a unit test for signing subcommands.
- Removes some weird whitespace in the code.
