Created "tests" directory
Renamed "test.py" script to "console.py"
Added unit tests for cr.utils.date and cr.utils.text modules

+ Some fixes in related methods
Updated travis.yml file with the new tests.py script
Fixed datetime_to_timestamp function with local time
[WIP] Doing some tests with Vagrant
Removing Python 2.5 in the Travis manifest

The support of Python 2.5 has been dropped with #79
Merge remote-tracking branch 'origin/develop' into feature-tests
Added tests for cr.utils.web module
Added timeout in the check_port function (cr.utils.web)
Updated timeout for 1 second in check_port test
Merge remote-tracking branch 'origin/develop' into feature-tests
Testing new Vagrant box
Merge remote-tracking branch 'origin/develop' into feature-tests
Updated Vagrantfile to test more than one machine
Improved scripts to manage tests and Vagrant
Updated travis.yml to use the new test script
Improved log during the CentralReport tests
Added system tests for bash installer/uninstaller
Updated readme.md file (in the ./tests/ directory)