Update .travis.yml

Add gsoc2012-scilab branch to Travis builds. Remove other languages for building on Travis except for Python as a sanity check.
Merge pull request #71 from smarchetto/gsoc2012-scilab

Merge, fix makefiles, and add build verbosity level
Merge pull request #72 from smarchetto/gsoc2012-scilab

Scilab: support of Scilab 5.3.3
Merge pull request #74 from smarchetto/gsoc2012-scilab

Scilab: Fix test-suite crashes, fix configure log, and display Scilab version
Merge pull request #78 from smarchetto/gsoc2012-scilab

Scilab: support of Scilab 5.3.3 + improve the test suite
Revert non-scilab changes: Octave modifications
Remove non scilab changes - swigwin

CMake should be used instead of a specific version of Visual Studio
project files if Visual Studio support is required.
Code style fixes.

Output after running 'make beautify-file' on scilab file
Tidy up .gitignore
Minor makefile tidyup
Fix merge mess - restore changes as they are on master
Example makefile tidy up
Scilab configure tidy up
Improve .gitignore for examples
Scilab example Makefiles update.

Make consistent with other languages.
Output is also suppressed when run from top level directory - see
RUNPIPE.
Scilab: list helper getScilabListAndSize()
Scilab: add %feature scilab:const (constants are wrapped by Scilab variables)
Scilab: wrap enums to Scilab variables (if %feature scilab:const")
Scilab: consider int as default type for STL container of values (so it works for container of enums)
Scilab: add %scilabconst in enum example