maxFileTimeM, SMB fixes, connections and sessionDetail improvements

- New maxFileTimeM for time rotation (issue #158)
- Increased SMB decode buffer size
- Fixed SMB decode infinite loop
- Fixed expire bug with multi nodes on same machine and different traffic rates
- Added connections.csv (issue #163)
- Added unlock button to connections
- small resolution UI improvements (issue #159)
- sessionDetail cleanup
- Permalinks are faster (issue #162)