Lshca

- Fixed bug: set default shell to bash. Comes to fix execution on Ubuntu
- Fixed bug: fixed bond naming identification

- Feature: Added elastic output option. It eliminates meaningless fields from human readable output
For elastic output rules see help. Enabled by default. Can be switched off by --non-elastic param.
- Feature: Added bonded interfaces support. New fields are: Bond, BondState, BondMiiStat
- Feature: Added "all" view. This view show all possible information.
- Feature: Added "poll" to LnkStat
- Feature: Added color to errors and warnings
- Feature: Added PSID field to HCA header
- Change: "hca_info" key was removed from json output. All its child fields remain, but now 1 level up
- Change: Operstate was renamed to IpState and field values added. See help for more info.

- Feature: Added RoCE view. New fields are: Operstate and RoCEstat
- Feature: Added HCA temperature reading to HCA header
- Feature: Added revision to PN
- Feature: Added extended help with all fields descriptions
- Feature: lshca returns 1 if output is empty
- Change: Negative output filter changed from -o with - to -onot. See help for more details
- Change: HCA header design changed. Removed ":","-" and more
- Major code refactoring

- Feature: Added "by field value" output filter
- Feature: Added views option, default view called "system"
- Feature: Added "ib" view that contains IB network oriented information
- Feature: Added saquery data source. It provides following data: SMGuid, SwGuid, SwDescription
- Feature: Added following data to sysfs data source: VrtHCA, PLid, PGuid, IbNetPref
- Change: JSON affected by output filters
- Change: Warnings and errors won't be visible in JSON output and/or if the output is not to terminal

- Feature: added LnkCap and LnkSta Width functionality
- Feature: Performance improvement with ConnectX3 HCAs
- Feature: Added JSON output
- Feature: Added "-o" parameter to control output fields

- Fixed bug: port identification via dev_id and dev_port (issue 13)
- Minor bugs: issue 15