make gradlew executable
Generify PublishEvent
add default value in last value helper method
propagate exceptions as RuntimeExceptions for TypedPushCondition
New act for publishing single event
added empty and not empty to DefaultConditionThings
added empty and not empty to DefaultConditionThings
Merge remote-tracking branch 'origin/empty_and_not_empty' into empty_and_not_empty

Conflicts:
	When/src/main/java/houtbecke/rs/when/DefaultConditionThings.java
	When/src/test/groovy/ThingsTest.groovy
simplified
simplified
Merge remote-tracking branch 'origin/empty_and_not_empty' into empty_and_not_empty

Conflicts:
	When/src/main/java/houtbecke/rs/when/DefaultConditionThings.java
Merge pull request #3 from jaspervp/empty_and_not_empty

Added empty and not empty to DefaultConditionThings
new condition for counting events within a certain timeframe
length parameter for showing toasts
More acts based on DefaultConditionThings
remove useless code
travis build file
Add Travis and coveralls support
added touch conditions
added missing import