Adds a new notes pane for each fit

This allows users to save text notes for each fit. They may do this for history, or usage, etc.

eos/db/migrations/upgrade16.py

@@ -0,0 +1,14 @@
+"""
+Migration 16
+
+- Alters fits table to introduce notes attribute
+"""
+
+import sqlalchemy
+
+def upgrade(saveddata_engine):
+    # Update fits schema to include notes attribute
+    try:
+        saveddata_engine.execute("SELECT notes FROM fits LIMIT 1")
+    except sqlalchemy.exc.DatabaseError:
+        saveddata_engine.execute("ALTER TABLE fits ADD COLUMN notes VARCHAR;")

eos/db/saveddata/fit.py

@@ -45,6 +45,7 @@ fits_table = Table("fits", saveddata_meta,
                    Column("targetResistsID", ForeignKey("targetResists.ID"), nullable=True),
                    Column("modeID", Integer, nullable=True),
                    Column("implantLocation", Integer, nullable=False, default=ImplantLocation.FIT),
+                   Column("notes", String, nullable = True),
                    )
 
 projectedFits_table = Table("projectedFits", saveddata_meta,

eos/saveddata/fit.py

@@ -1085,6 +1085,7 @@ class Fit(object):
         copy.name = "%s copy" % self.name
         copy.damagePattern = self.damagePattern
         copy.targetResists = self.targetResists
+        copy.notes = self.notes
 
         toCopy = (
             "modules",