Changes to Evaluation metrics . We now have one methods which takes a metric name, and optional proposal name to evaluate proposals with 3 types of metrics
Changing evaluation metrics
Fixing evaluation metric code
Adding pdf generation code
fixing the folder where the file is created
Fixing evaluate recall folder location
API changes to generate proposals for single iamge: Endres Approach
API changes to generate proposals for single iamge: Objectness Approach
removing incomplete object proposals
 Adding try catch blocks, and fixing the output location
Fixed one minor thing in the previous commit
API changes to generate proposals for single iamge: MCG Approach
REmoving print statements
API changes to generate proposals for single iamge: Rahtu Approach
API changes to generate proposals for single image :MCG Approach
API changes to generate proposals for single iamge: RandomizedPrims Approach
API changes to generate proposals for single image:  (adding missing file )RandomizedPrims Approach
API changes to generate proposals for single iamge: Rantalankila Approach
API changes to generate proposals for single iamge: Selective Search Approach
Changging function names to be inline with the API