vertical graph styles improved
shameless intermediate commit to work on some small design bugs in another branch
added value tags to fix the bar chart percentages from totaling > 100 or < 100
resolved classpath conflicts
fixed fct stacked bars where the total bar height goes just above or just below chart
updated config files
merged with master and fixed conflicts
added ability to calculate mode for a dsr target
added data sync and mail on exception plugin
deleted unused files and commented code
fixed bug where cache was not invalidated after saving an enum option
deleted commented code
Merge pull request #268 from fterrier/enum-options-hotfix

fixed bug where cache was not invalidated after saving an enum option
added calculation of and display for multiple modes for a dsr location/target
data plugin refactor
added more tests, fixed tests, and simplified some of the mode code
refactoring data plugin
Merge branch 'data-location-plugin-refactor' into data-plugin

Conflicts:
	grails-app/conf/BuildConfig.groovy
	grails-app/domain/org/chai/kevin/data/EnumOption.groovy
	grails-app/services/org/chai/kevin/exports/DataElementExportService.java
	grails-app/services/org/chai/kevin/value/ExpressionService.java
	grails-app/utils/ExpressionMapValidConstraint.groovy
fixed nde type exception, modified mode code and updated tests AGAIN
forgot to add test file to commit