Correct excludes in example

* Correct indentation
* Correct excludes
Add missing ALT tags for images
Update Scala documentation

- Refer to Java Guide (related to travis-ci/travis-build#130)
- Better explain how JVM and SBT settings can be customized (related to
  travis-ci/travis-build#122)
- Add more Scala projects in Examples section
- Brand 'sbt' everywhere
Fixed typos
Merge pull request #359 from Aaron1011/typo

Fixed typos
Add update for next Mac downtime
Added big blog post on deployment
Added NPM deployment docs
Added PyPI deployment docs
Added links to PyPI and NPM deployment docs
Added docs for deploying to multiple providers
Merge branch 'master' into deploy_new
Fixed typo
add info on how to install an additional lang pack during your build
It's 64 bit.
sauce connect: add env var you need to send as a capability
sauce connect addon: desired capabilities code example
Merge pull request #365 from shackpank/sauce_connect_tunnel_id

Sauce connect: add note about Identified Tunnels
add caching documentation
Merge pull request #366 from travis-ci/rkh-caching-docs

add caching documentation