Adds implementation of several methods of TreeMap
Fixes VectorTest passing
Adds TreeSet implementation
Fixes the Math.ulp method
Adds locale implementation using CLDR data
Adds initial version of CLDR reader
First Locale working tests
Adds country name support to Locale
Adds initial implementations of date-relates classes
Fixes some compilation errors and applies formatting
Adds formatting classes from the java.text package
Cleanup
Adds initial implementation of Date class
Adds momentjs script
Adds incomplete Calendar implementation
Further implementation of localized Calendar
Adds datetime demonstration application.
Fixes errors with week data
Fixes several bugs in Calendar implementation
Merge branch 'date' into date2

Conflicts:
	teavm-classlib/src/main/java/org/teavm/classlib/impl/unicode/CLDRHelper.java