FireReceiver: Do not disable multimode on profile switch

If the first argument to setProfile() is false, multimode will be
disabled.

Compile-tested only.

Reported here:
http://forum.xda-developers.com/showpost.php?p=49951539&postcount=1756
DataDumpActivity: Use the correct units for setTextSize()

getTextSize() returns a value in pixels, but setTextSize(float) expects
a value in scaled pixels.  On some devices this causes both + and -
buttons to enlarge the text.

Use setTextSize(int, float) so that the units are consistent.

Reference:
http://stackoverflow.com/questions/3687065/textview-settextsize-behaves-abnormally
DataDumpActivity: Restore monospaced font and clean up layout warnings

The monospaced font allows the iptables/ifconfig columns to line up
properly.
Merge pull request #253 from cernekee/datadump-fixes-v1

Fixes for DataDumpActivity and FireReceiver