Merge pull request #21 from anatmaor/master

Add the ablity to run jstack for X time :
Added execute permission for new scripts
Merge pull request #22 from anatmaor/master

update README file
support for stack trees and initial support for profiling
rename mjstack -> mjprof
Create the concept of profile which may consist of several stack traces.
changes in intellj project
remove idea project
fix pom
fix filtering bugs
fix trim below to have context
remove StackTrace and StackTree they are replaced by the class profile
grouping now merges stacks
add numerical suffix removal
changed noop name
fix license of some files some beautification
fix license of some files some beautification
rename classes
rename batch files to mjprof
rename batch files to mjprof