6653883: jmap with no option should print mmap instead of heap information.
Summary: Changed the default option of jmap to print mmap.
Reviewed-by: jjh
9a66ca7c79fab293c1bb0534e0d208c7e4f58b01 jdk7-b24
58039502942e52f4144a33f36290a2bd2f3581e6 jdk7-b25
c46d25a2350ac147d0121d9c9725af6fcb1b4dbe jdk7-b26
a17265993253d61becd04fe7d96d1fe8b4bd6dff jdk7-b27
4ef4bd31856949554967fbf22783babb21a62a0e jdk7-b28
dec081837b01d509dcc2b9de86a4299c1ec17e04 jdk7-b29
eaf608c64fecf70f955dc9f29f94c055b183aeec jdk7-b30
07c916ecfc71f6bf432e4ff09bfbfb6290b5703c jdk7-b31
13aee98cc0d8e24a084b62ad1d48d2a49792416c jdk7-b32