Use of text macros instead of direct obs_module_text calls
Fix for enum_monitors

Function enum_monitors would always stop after first found monitor due to wrong return value.
Add monitor selection and basic properties
Merge pull request #283 from ElectronicWar/monitor-capture-upd

Add monitor selection and properties to Monitor Capture (Win)
Ignore source deselection until multiple selection is implemented
Open source properties on double click