Update README.md with updated API

init now has 2 params, use selectDate().
Merge pull request #48 from nielsz/patch-1

Update README.md with updated API
Fix styles (#47)
Fix scrolling behavior (#49)
PERIOD is gone.  SELECTED_PERIOD has become RANGE
Lots of code cleanup, adding tests, changing SELECTED_PERIOD behavior to match Hipmunk (which has the best period-selection behavior I've seen in an Android app)
More docs on the new RANGE behavior
Merge pull request #50 from square/edenman/bugfixes

Fix #47 and #49
Merge remote-tracking branch 'square/master'

Verified to work as expected now

Conflicts:
	library/res/color/calendar_bg_selector.xml
	library/res/values/styles.xml
	library/src/com/squareup/timessquare/CalendarPickerView.java