File reorganisation + 1st phase of transition to Maven
organize source files and pom for Maven transition
1st transition phase towards cassandraio-java-client instead of Hector
for cassandraio java client
add webcapp required file for heroku to start the app
add webapp for Heroku to recognize the app
for heroku
embedded tomcat+cassandra
another step towards Maven project
switch to standalone cassandra and tomcat; delete the attempt to use cassandraio
fix compile error