added lecture worksheets
more lecture examples
more lecture code
week 5 lecture code
week 6 lecture code
scala-ide prefs
more week6 lecture code
Last week6 lecture code - mnemonics for phone numbers
week7 streams lecture code
more week7 code - lazy vals and infinite streams
final week7 code - pouring problem
Merge branch 'master' of https://github.com/jawshooah/progfun