Adding spark as exectype for e2e tests
Merge branch 'spork-0.9' of https://github.com/sigmoidanalytics/spork into spork-0.9

# By AkhlD (2) and Praveen R (1)
* 'spork-0.9' of https://github.com/sigmoidanalytics/spork:
  Adding spark as exectype in e2e tests
  Removed hardcoded values
  Parameter substitution fix#1 - Parameter substitution is now working. You need to put the parameter within double quotes inside a single quote (eg: -p data='"/wiki/data"')

Conflicts:
	pig-spark