iGraphMatch 2.0.5

• More changes for igraph 2.0.x to avoid warnings due to use of deprecated functions.
• Changes to address #67. init_start and other functions with start = 'rds_perm_bari' and start = 'rds_from_sim_start' will now work correctly.
• Updates to documentation on value returned by gm to better explain the list elements that are components of graphMatch class.