Remove duplicate vars
Fixed library updating with cache enabled
Test against JDK7 instead of JDK6
Instruct OS X to build with JDK7 instead of JDK6
More precise network speed detection

On 1 GBit network it is possible to receive speed <1ms for 64000b of PING size.
This speed were not parsed so no speed was shown.
Also time value was set as INTEGER where 5/3 returns 1 instead of 1.6666666 so counted speed should be more precise.
Merge pull request #58 from ExSport/patch-1

More precise network speed detection
Merge pull request #56 from skeptical/web2

Remove duplicate vars
Disable scanning button while scan is being stopped
Fixed library re-scanning
Merge branch 'master' of github.com:UniversalMediaServer/UniversalMediaServer into filename_rewriting
Inform Windows users who install UMS with JRE 6 that they need to upgrade it to run UMS, and offer to do it automatically
Use Google servers to host the Windows JRE installers instead of Oracle's
Updated changelog
Merge branch 'master' of github.com:UniversalMediaServer/UniversalMediaServer into filename_rewriting
Improved filename rewriting regex