Modify to make build compatible with Travis-CI
Fix identation
chmod the shell script to be executable
Update dependency package installation
Add the install command to apt-get
Select specific HDF5 to build
Change configuration to pull in newer version of boost
Make apt-* command non-interactive
Switch to using -y command line option to make it non-interactive
Add search for lastest boost
Install specific version (1.48) of boost to statisfy build
dependency requirement of appleseed
Added Xext development libraries and headers
Added git_tag manually as it does not work on travis-ci
Add make command after cmake configuration is done
Change minimun requirement from CMake 2.8.12 to CMake 2.8 to
allow it to build on Travis
Added packaging of built artefacts
Merge pull request #457 from nyue/master

Travis-CI integration