spelling stuff
Merge pull request #702 from teamleada/brian_flutrends_QA

spelling stuff
Fix typo in readme
mapreduce restructure, fixes + typos
typo fixes and content improvement in mapreduce
MapReduce polish up, still needs final chapter
Merge branch 'master' into tristan_MR_proj
final section rough finish, MR proj
Merge branch 'master' into tristan_MR_proj