elos-1.21.3

Features:

• feat(mocks): add mock library for kmsg scanner
• feat(mocks): add mocks for elosPluginControlDeletePublisher and elosPluginControlCreatePublisher
• feat: save last kmsg event into state file
• feature(mocks/libelosplugin): add mock library with mock for plugincontrol interface
• feature(mocks/plugincontrol): add CMOCKA_MOCK_ENABLED_WITH_FUNC to forward custom mock functions
• feat(utest): add pluginLoad and pluginUnload tests for kmsg scanner plugin
• feat(utest/mocks): add unix config mock library

Improvements:

• refactor(cmake): remove legacy packing code
• refactor(libelosplugin): move more socket specific code from libelosplugin to plugin clients
• refactor(libelosplugin): remove libmnl related code
• refactor(plugins/clients): integrate connectionmanager/messagehandler to libelosplugin
• refactor(plugins/clients): move non plugin related code to client specific connectionmanager module
• refactor(test): sync mocks and unit tests to current structure
• test(plugins): add tests for unix plugin
• adr(kmsg): define how kmsg scanner should behave on start
• doc(ConnectionManager): Add design documentation.
• doc(kmsg): update documentation to reflect behavior

Fixes

• fix: correct handling of dependencies to install for mock/tests
• fix(libelosplugin): close connection first
• fix(unix_config): set up address if socket path exist
• fix(utest): fix tests after integration of connectionmanager/messagehandler to libelosplugin
• fix(utest): update unit tests for kmsg scanner