Removing nanohttpd submodule.
Temporarily switching to binaryparadox fork of nanohttpd.
Fixing compiler warnings, standardized exception printing.

Cleared up the low hanging compiler warnings shown in Eclipse: unused
imports, etc. The SettingsActivity will have to be addressed in later
releases as it uses some deprecated methods.

Changed all of the catch() blocks across the application to use Log.e()
instead of err.printStackTrace();
Merge branch 'master' into mdns