New feature: calendar event filtering will be done more faine grained
with the use of instruments. This avoids closing positions which are not
affected by events.
Now all decisions of event trading are based on a given instrument.
Adaptions for event trading by instrument. This version is not yet unit
tested.
Method rearranging.
Minor formatting.
Delete .project

.project deleted
Delete .classpath

.classpath deleted.
Delete .gitignore

.gitignore deleted.
Delete org.eclipse.core.resources.prefs

d1
Delete org.eclipse.jdt.core.prefs

d2
Delete org.eclipse.m2e.core.prefs

d3
Clean up testsuite.
Removed not needed loops for time look up on events. Reusing the given
navigable map methods.
Added tests for checking if algorithms are stopped or started for
instruments.
Bug fix: when trading is disabled no more message processing is done.
Algorithms must not trade.
Extracted comparator for calendar messages into own file.
Extracted print method.
Exracted a printer class for the event handler.
Simplified return statement.
Replaced message term with more precise term event.