Applying a patch from AsankaS for fixing the issue - arrow bending issue of the sequences editor

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@182053 a5903396-d722-0410-b921-86c7d4935375
Applying a patch from AsankaS for fixing the issue - arrow bending issue of the sequences editor

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@182054 a5903396-d722-0410-b921-86c7d4935375