Added some escaping to shell arguments.
Log httpd output to log files within install path instead of directing it to /dev/null
Check if create-project fails, throw exeception if it does.
Merge pull request #3 from rexxars/improved-error-handling

Improve error handling when create-project fails
Added a hint about the kill-servers command
Use the next significant release for required packages
Use 0.3.3 as an example instead of 0.3.2 which can't be installed with composer install because of missing requirements
Check the server status of the installed servers through Imbo's status endpoint. Closes #1.
According to my own coding standard, inline control structures are not allowed. Better fix it then...
Use a lint file cache
Use path of imbolauncher configuration when looking for defined imbo-configs.
Merge pull request #4 from rexxars/relative-config-lookup

Use imbolauncher config path when looking for defined imbo-configs
Print output of composer create-project if it fails (and verbose mode is on).
Merge pull request #5 from rexxars/verbose-install-failure

Print output of composer create-project if it fails
Removed whitespace
Removed Travis-CI related stuff for now
Whitespace fix
Added --no-dev --prefer-source options. Fixes #6