fix_bash.sh 1.1.1

Fixed bugs:

• $0 gave wrong path when changing dir, so replaced it with 'real_path=realpath -e $0'
  However, it will still give wrong info when sourcing
• Removed GREP_OPTIONS because depricated

fix_bash.sh 1.1

Additions

• Added the log() function
• Made fix_bash.sh work on older versions of Linux

fix_bash.sh first version

1.0

Update fix_bash.sh