moved python smart copy-paste logic to python module

so fixed PY-8982, PY-7709, PY-7470, PY-6994, PY-6992, PY-6987, PY-6888

python/testData/copyPaste/Empty.after.py

@@ -0,0 +1,4 @@
+class A:
+    a = 1
+
+    b = 2

python/testData/copyPaste/Empty.dst.py

@@ -0,0 +1,3 @@
+class A:
+    a = 1<caret>
+    b = 2

python/testData/copyPaste/Empty.src.py

@@ -0,0 +1,2 @@
+<selection>
+</selection>

python/testData/copyPaste/Indent2.after.py

@@ -1,6 +1,4 @@
 def bar():
     x = 1
     y = 2
-
-
 var = "string"

python/testData/copyPaste/Indent6994.after.py

@@ -0,0 +1,7 @@
+def g():
+    if True:
+        pass
+    else:
+        pass
+
+    b = 1

python/testData/copyPaste/Indent6994.dst.py

@@ -0,0 +1,3 @@
+def g():
+    <selection>a = 1</selection><caret>
+    b = 1

python/testData/copyPaste/Indent6994.src.py

@@ -0,0 +1,5 @@
+<selection>if True:
+  pass
+else:
+  pass
+</selection>

python/testData/copyPaste/Indent7709.after.py

@@ -0,0 +1,4 @@
+a = 1
+# some comment
+
+b = 2

python/testData/copyPaste/Indent7709.dst.py

@@ -0,0 +1,4 @@
+a = 1
+<caret>
+
+b = 2

python/testData/copyPaste/Indent7709.src.py

@@ -0,0 +1,4 @@
+a = 1
+<selection># some comment</selection>
+
+b = 2

python/testData/copyPaste/Indent8982.after.py

@@ -0,0 +1,4 @@
+a = 1
+a = 1
+b = 1
+d = 1

python/testData/copyPaste/Indent8982.dst.py

@@ -0,0 +1,4 @@
+a = 1
+<selection>b = 1
+c = 1
+</selection><caret>d = 1

python/testData/copyPaste/Indent8982.src.py

@@ -0,0 +1,4 @@
+<selection>a = 1
+b = 1
+</selection>c = 1
+d = 1

python/testData/copyPaste/IndentTab.after.py

@@ -1,5 +1,5 @@
 class Test:
-    def __init__(self):
+	def __init__(self):
 		print "Line 1"
 
-        print "Line 1"
+		print "Line 1"

python/testData/copyPaste/IndentTab.dst.py

@@ -1,4 +1,4 @@
 class Test:
-    def __init__(self):
-        <caret>
-        print "Line 1"
+	def __init__(self):
+		<caret>
+		print "Line 1"

python/testData/copyPaste/IndentTab.src.py

@@ -1,4 +1,4 @@
 class Test:
-    def __init__(self):
-<selection>        print "Line 1"
+	def __init__(self):
+<selection>		print "Line 1"
 </selection><caret>

python/testData/copyPaste/NonRectangleTopLevel.after.py

@@ -6,4 +6,3 @@ class A(object):
 
     def foo(self):
         pass
-

python/testData/copyPaste/Selection1.after.py

@@ -6,4 +6,4 @@ if True:
 def f():
     if True:
         a = 1
-        b = 2
+        b = 2

python/testData/copyPaste/Selection2.after.py

@@ -6,4 +6,4 @@ if True:
 def f():
     if True:
         a = 1
-        b = 2
+        b = 2

python/testData/copyPaste/TwoIndentedLines.after.py

@@ -3,5 +3,4 @@ filter(Q(myfield=123),
     Q(myanotherfield=321))
 
 a = filter(Q(myfield=123),
-           Q(myanotherfield=321))
-
+    Q(myanotherfield=321))

python/testData/copyPaste/UnfinishedCompound.after.py

@@ -2,4 +2,5 @@ def f():
     if True:
         c = 1
 
+
 a = 1

python/testData/copyPaste/multiLine/DecreaseIndent.after.py

@@ -2,6 +2,8 @@ class C:
     def foo(self):
         x = 1
         y = 2
+
+
 def foo(self):
     x = 1
     y = 2

python/testData/copyPaste/multiLine/IndentFunction.after.py

@@ -6,5 +6,6 @@ class C:
         x = 1
         y = 2
 
+
     def bar(self):
         y = 2

python/testData/copyPaste/multiLine/IndentInnerFunction1.after.py

@@ -1,6 +1,7 @@
 def foo(self):
     x = 1
     y = 2
+
     def foo(self):
         x = 1
         y = 2

python/testData/copyPaste/multiLine/IndentInnerFunction2.after.py

@@ -1,8 +1,10 @@
 def foo(self):
     x = 1
     y = 2
-       def foo(self):
-           x = 1
-           y = 2
+
+    def foo(self):
+        x = 1
+        y = 2
+
 
 z = 3

python/testData/copyPaste/singleLine/IndentInIfInDef.after.py

@@ -2,4 +2,4 @@ def f(self):
     x = 1
     if True:
         b = 2
-        x = 1
+        x = 1

python/testData/copyPaste/singleLine/IndentOnTopLevel.after.py

@@ -3,6 +3,7 @@ class C:
         x = 1
         y = 2
 
+
 x = 1
 def foo():
     pass