Increased VM CPUs and memory to replicate Travis.

Increased virtual machine memory and CPUs to bring them in-line with
Travis images.

This also drastically increases the performance of tests running on the
Vagrant image.
Increased test speed by disabling redundant init.

Increased the speed of the integration tests by disabling redundant m2e
initialisation.
Fix: redundant dep causes build instability.

Removed redundant dependency causing build instability. This also
increases the speed of builds.
Test against latest m2e for pre-Luna releases.

Upgraded tests for pre-Luna Eclipse release (Indigo, Juno and Kepler)
to run against latest version of the 1.4.x m2e plugin.
Display stack traces during continuous build.
Fix: update site deployment failing.

https://github.com/rgladwell/m2e-android/issues/284