Set correct name for Groovy files in day1
Correct indentation
Improve one condition
Correct indentation
"If" were nested and they needed to be consecutive.
Add comment
Add comment
Correct indentation
Set correct name for calculator
Get ride of bogus file
Get ride of bogus file
Rename file
get ride of bogus file
Get ride of bogus file
Get ride of bogus file
Get ride of bogus file
Fix some problems, this programs are now working.