Updated Readme.md
Simplified RecordMem

Also modified CONTRIBUTING.md to correct some typos.
Merge pull request #5 from imranashraf/develop

Simplified RecordMem closes #2 and closes #3
Merge branch 'develop'
Update README.md

Updated the text.
Update src/tracing.cpp

some minor naming corrections
Correctly instrumented only instructions not related to stack access, if ignore_stack_access is enabled
Added a note to ignore_stack_access
Progress reporting knob and range printing

Now the progress reporting is under a conditions, so if we dont want
to show the progress of quad, instructions will not be counted.

Separated unma range printing from global variable name printing.
Merge branch 'develop' of github.com:imranashraf/QUAD into develop
Merge branch 'develop' of github.com:celabtud/QUAD into develop
merged master
Merge pull request #9 from imranashraf/master

merge develop