[ticket/331] Add EPV check to travis builds

B3P-331
[ticket/331] Specify datetime class in tests
[ticket/331] Add missing arguments to modules helper in tests
[ticket/331] Change call to run-epv.sh
[ticket/331] Rename jquery easing plugin
[ticket/331] Removed board3 portal clock
[ticket/331] Remove EPV errors in code
[ticket/331] Run spellchecker on travis again
[ticket/331] Exclude vendor and develop folder from spellcheck
[ticket/331] Remove spellchecker
Merge pull request #332 from marc1706/ticket/331

[ticket/331] Add EPV check to travis builds