Commented out FieldDB stuff pending its improved incorporation.
Application settings view GUI improved, including removal of schema type and persistence type inputs and transformation of server type text input to jQuerUI selectmenu.
Corpus field in application settings when LingSync server type selected.
FieldDB/OLD forks for login/logout actions; L**gS**c replaced with FieldDB throughout code.
Merge branch 'feature-authentication' into develop