Added support for e2 service generation.
Fixed targets to clean unit tests.
Set ignore for errors on clean-eunit target.
Updated TravisCI version of Erlang.
Added an Erlang shell target.
Fixed version target.
Fixed up ERL_LIBS support.
Merge pull request #118 from billosys/milestone-v1.3

Added e2 support (and some ERL_LIBS fixes) to Milestone v1.3