target Maven 3.1

Breaking change that is not compatible with Maven < 3.1 .

spoon-maven-plugin: use org.eclipse.aether instead of org.sonatype.aether .
see http://maven.apache.org/docs/3.1.0/release-notes.html

spoon: use android-maven-plugin 3.8.0 which is the lowest version compatible
with Maven 3.1 .
Display version name dynamically in execution sample

![Old ](http://cl.ly/image/11141J3A1W32/BATMAN-PC-2013-12-10%20(2).png)

![New](http://cl.ly/image/440Y443X3y0O/BATMAN-PC-2013-12-10.png)
Merge pull request #157 from f2prateek/patch-1

Display version name dynamically in execution sample
Display emulator name and serial number if device is an emulator. Output
for real phones remains untouched.
Don't display serial numbers in output for emulators
Merge pull request #158 from f2prateek/prettify-emulator-output

Better names for emulators
Update execution parameters on website to match the README
Merge pull request #159 from swanson/patch-1

Update execution parameters on website to match the README
pom: target android-maven-plugin 3.8.1
Merge pull request #155 from xcolwell/master

target Maven 3.1
Update ddmlib version. Closes #144.
Do not hack what can be done easily
Merge pull request #160 from roman-mazur/ddmlib-update

Ddmlib update
Handle spurious test run listener callbacks.
Merge pull request #163 from jameswald/test-ended-npe

Handle spurious test run listener callbacks.
Merge branch 'master' of github.com:square/spoon into develop