Fix for issue #243 and #244, Waypoint numbering issue

When waypoints where generated by a polygon they did not received the
right numbering. Due to this the waypoints could not be uploaded to the
APM. This also removes the constant "0" from the polys title.
Merge pull request #246 from albinhubsch/master

Fix for issue #243 and #244, Waypoint numbering issue
Removing all accented chars from the french translation.

The accents may be causing some problems, so for now it's best to have a orthographic errors then a crashing app.

Take a look at  issue #245 for more info.
Cleaning up the devices filter.

Removing duplicated value, fixing comments, moving unknow device to the botton.
Hungarian translation.
Merge pull request #249 from andrask/master

Hungarian translation.
Change project target to the new android API (18)
Preparing for release v0.12.3
Merge pull request #251 from arthurbenemann/USB_devices

Cleaning up the devices filter.
Merge pull request #253 from arthurbenemann/issue245

Removing all accented chars from the french translation. Look at #245 for more info.
Quick bug fix for issue #256
Merge pull request #258 from arthurbenemann/BugFix_issue256

Quick bug fix for issue #256
Adding the GPLv3 license
Changes to help in the debug process.
Creating mock data to be used when testing the chart.
Moving the ChartSeries object
Fixing references
Extracting a superclass for the chart series
Creating a new Static chart series for static plots
Static chart's should be enabled by default