Lower visits nrows to 2000
restored visits script nrow to 10000
minor changes
updated git ignore file
Major update including rule_5 v1

Added:
1. rule_5 version 1
2. find_ap script
3. handling scripts for visits and trends
4. the shell script for all three handling scripts
Merge branch 'Local-development'
Added dwell_time_dist script, removed shell scripts from git
changed trends script name
Merge branch 'Local-development'