Moved point to t directory

# Please enter the commit message for your changes. Lines starting
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# On branch master
# Your branch is up-to-date with 'origin/master'.
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# Changes to be committed:
#	modified:   t/json_read.t
#	modified:   t/json_verbose_read.t
#	modified:   t/json_verbose_write.t
#	modified:   t/json_write.t
#	renamed:    Point.pm -> t/lib/Point.pm
#	renamed:    PointReadHandler.pm -> t/lib/PointReadHandler.pm
#	renamed:    PointWriteHandler.pm -> t/lib/PointWriteHandler.pm
#	modified:   t/message_pack_read.t
#	modified:   t/message_pack_write.t
#
