Fixes and improvements

Implemented enhancements:

• Choose entity types to work with (fixes #9) #18 (victor-homyakov)
• Make presentable ID in form "Bug#123", "US#123" #17 (victor-homyakov)
• Use offset and limit in queries #15 (victor-homyakov)
• Add pluginIcon.svg #14 (victor-homyakov)

Fixed bugs:

• Option "Include closed tasks" should work #8

Compatibility with IDEA 2020+

Fixed bugs:

• Usages of scheduled for removal API #12
• Compatibility problem #10

Fixes and improvements

Fixed bugs:

• Order loaded entities by id desc / by update time desc #3
• Search entered substring in name/entityId #1

1.0 Initial release

• connects to Targetprocess 3 server
• retrieves entities assigned to the user with specified login