Also use IPv4 address block for documentation. RFC 5737.
Removed whitespace.
Also use IPv4 address block for documentation. Changed sentence.

* It is more likely that the fact that nothing else except DNS works is
  implemented by a restrictive packet filter.
* See RFC 5737.
Merge pull request #5 from ypid/master

Also use IPv4 address block for documentation. Changed sentence.
Upgrade code to iodine 0.7.0 and improve logging
Detect issue #4 and display specific error message
Do not dump whole configuration to debug when selected or updated.

closes #6
Make link in IodineVpnException message clickable #4
Do not add newline for progress indicating '.' log-output from iodine
Improved look of logo
Increase version in AndroidManifest.xml