A hack to make the code compile again

Rustc forcefully exports stack_exhausted and eh_personality, resulting
in symbols being defined twice. We counter this by stripping the
symbols from all object files being produced.
Adding script to summarise and submit build stats
Merge pull request #44 from bharrisau/travis-stats

Adding script to summarise and submit build stats
Extracted lang items to dedicated file.
Merge pull request #43 from farcaller/fix-missing-lang-items

A hack to make the code compile again
Fix up pushing to zinc-stats repository
Merge pull request #47 from bharrisau/travis-stats2

Fix up pushing to zinc-stats repository
Refactor statistics support

Move ssh keys around and include starting ssh-agent
Merge pull request #48 from bharrisau/travis-stats3

Refactor statistics support
Change zinc to support tests

Adds the required cfg attributes to build with --test and mocks out
all the functions with inline asm.

  - [ ] Get zinc to build with test
  - [ ] Add test to Rakefile and travis
  - [ ] Refactor inline asm (move to designated area, dummy with `fail!`
Merge pull request #49 from bharrisau/first-test

Change zinc to support tests