fixed ExploitFinder not finding exploits.

fixed version number and missing JNI libs

fixed issues:

• #612
• #428
• #429
• #437
• #451 and #50
• #21

small improvements:

• give feedback when dumping pcap to file
• improved DNS lookup
• sort hosts more efficiently

force user to chose an empty or previous installation directory for MSF and Ruby.

fixes a crash on certain devices that does not allow notifications with null intents.

fixed a bug with MSF daemon notification: on certain devices notification cannot have a null intent ( as android docs say ).

BUGFIX: on android kit kat the floating button cannot be clicked.

first release candidate for 1.6.3

fixed "no core for this device" error whence an update is not available an the core is not beating. ( #404 )

some UI enhancements and minor bugfixes.