Fixed error in HISTORY. Preparing for 2.0.1-SNAPSHOT. Upgraded to CDH 5.2.1
Removing /bible+shakes.nopunc.{json,tuple1,tuple2}.packed.gz
Updated exercises to Maven.
Started re-org of pages to a single main page; minor tweaks to fix exercise descriptions.
Removing outdated API.
Completed refactoring of documentation.
Updated documentation, at 2.0.1-SNAPSHOT