Print out ethreshold information at initialization.
Fixed a bug on the iteration end in function findViolationForNode.
Tested with test4.
Moved test2 to test0, and moved test4 to test1.
Removed other tests.
The output of test0 and test1 are saved as tasks.test0 and tasks.test1,
for easy validation of testing results.
Tested with test0 and test1.
Support RT task allocation for multiple sensors based on importance factors.
Tested with test0, 1 and 2.