Reorder methods
Merge duplicated code
Decode json with error verification
Print invalid json response
Create method RestContext::getHttpHeaders()
Use exception instead of assert when header doesn’t exist
Case-insensitive header name
Merge branch 'case-insensitive-http-headers'
Better error message when json schema is invalid
Better error message when expected json is invalid
Uses sismo instead of travis
Add browser.timeout config option

- Defaults to 10 seconds
Merge branch 'linkorb-master'
Better error message when header doesn’t contains expeted value
add element wait functions
add element wait feature tests
Merge pull request #32 from  gimler/element_wait
Fix missing use
Add /^print the corresponding curl command$/
Quoted curl parameters