Modified gitIgnore files.
Modified GitIgnore files again to include jar files in non maven repos.
Coursera scala course - 00. example
Coursera Scala course 01. recfun
Coursera Scala course - 02. funsets
Coursera Scala course - 03. objsets
Coursera Scala course - 04. patmat
Coursera Scala course - 06. forcomp
Coursera Scala course - 07. streams
Modified maven gitignore so that jar files can be committed to other
projects but not this one.
Extra projects - preparation for scala course.