Netmiko 1.0.0

This release is not backwards compatible

Please regression test your code

• send_command() method is now identical to send_command_expect()
• send_command_timing() method has been added for situations that require delay based solution
• Abstracted read/write operations to enable support for telnet

Other changes

• Add support for Telnet (Cisco IOS telnet driver)
• Rationalize delay_factor and global_delay_factor
• Add support for SCP get operation
• Add support for Cisco S300 series
• Fix issue with show output being modified due to terminal width
• Add Cisco WLC config methods
• Expand upon unit tests (SCP and Linux unit tests added)