non public plugins were disabling addition of public plugins

See merge request minerva/core!663

highlight color changed to be more visible

See merge request minerva/core!662

Resolve "Search results with three digit number display correction"

See merge request !661

Resolve "Text is outside the popup window"

See merge request minerva/core!660

Resolve ""Source" file is not an archived format file"

See merge request !659

custom semantic zooming contains multiple overlays checkbox was disabled

See merge request minerva/core!658

Resolve "Exported SVGs are missing viewBox information"

See merge request minerva/core!657

Resolve "Export to SVG resulting in stack overflow"

See merge request minerva/core!656

Resolve "Overlay added via API is not displayed directly"

See merge request minerva/core!655

Resolve "Empty field "Email used for requesting an account" crashes tabs in Configuration"

See merge request !654

Resolve "Transcription Starting Sites - names are overlapping"

See merge request !653

Resolve "MINERVANET - Error Report #32 - attempt to export only Mesh annotations"

See merge request minerva/core!652

removing non existent project throws proper exception

See merge request minerva/core!650

problematic projectId error is not reportable by the user

See merge request minerva/core!649

unused functionality that started flooding logs removed

See merge request minerva/core!648

Resolve "MINERVANET - Error Report #33 - update preferences issue"

See merge request minerva/core!651

import from sbml could be problematic when provided layout placed two elements in exactly the same position