Added functionality for String Clustering

Files to enable different string clustering mechanisms on table columns
Merge branch 'master' of https://github.com/siddharthaeron/Web-Karma into development
Simple map reduce example
WK-25 #comment moved all configs to karma user dir. Defaults in code create the files the first time karma is run
Merge pr-103. Changed code to add the cluster WAR and to set URL of the WAR
Merge branch 'mr-investigation' into development

Conflicts:
	karma-common/src/main/java/edu/isi/karma/imp/csv/CSVFileImport.java
Merge branch 'development' into join-table

Conflicts:
	karma-common/src/main/java/edu/isi/karma/imp/csv/CSVFileImport.java
Merge branch 'join-table' of https://github.com/InformationIntegrationGroup/Web-Karma into join-table