cleanup spacing in src (#324)

* cleanup: add newline to src/exported_functions.json

* cleanup: remove extra line from end of src/exported_runtime_methods.json

* cleanup: remove trailing whitespace from src/api-data.coffee

* cleanup: remove trailing whitespace from src/api.coffee

* cleanup: remove trailing whitespace from src/shell-pre.js

* cleanup: remove extra line with whitespace from src/shell-post.js

src/api-data.coffee

@@ -40,5 +40,5 @@ SQLite.TEXT=3
 SQLite.BLOB=4
 SQLite.NULL=5
 
-# Encodings, used for registering functions. 
+# Encodings, used for registering functions.
 SQLite.UTF8=1

src/api.coffee

@@ -315,7 +315,7 @@ class Database
  try
  # Store the SQL string in memory. The string will be consumed, one statement
  # at a time, by sqlite3_prepare_v2_sqlptr.
- # Note that if we want to allocate as much memory as could _possibly_ be used, we can 
+ # Note that if we want to allocate as much memory as could _possibly_ be used, we can
  # we allocate bytes equal to 4* the number of chars in the sql string.
  # It would be faster, but this is probably a premature optimization
  nextSqlPtr = allocateUTF8OnStack(sql)
@@ -484,7 +484,7 @@ class Database
  sqlite3_result_error(cx,error,-1)
  return
 
- # Return the result of the user defined function to SQLite 
+ # Return the result of the user defined function to SQLite
  switch typeof(result)
  when 'boolean' then sqlite3_result_int(cx,if result then 1 else 0)
  when 'number' then sqlite3_result_double(cx, result)

src/exported_functions.json

@@ -39,4 +39,4 @@
 "_sqlite3_result_int64",
 "_sqlite3_result_error",
 "_RegisterExtensionFunctions"
-]
+]

src/exported_runtime_methods.json

@@ -4,4 +4,3 @@
 "stackSave",
 "stackRestore"
 ]
-

src/shell-post.js

@@ -20,4 +20,3 @@ else if (typeof define === 'function' && define['amd']) {
 else if (typeof exports === 'object'){
  exports["Module"] = initSqlJs;
 }
-

src/shell-pre.js

@@ -66,6 +66,6 @@ var initSqlJs = function (moduleConfig) {
  // of the options, and has the side effect of reducing emcc's efforts to modify the module if its output were to change in the future.
  // That's a nice side effect since we're handling the modularization efforts ourselves
  module = undefined;
- 
+
  // The emcc-generated code and shell-post.js code goes below,
  // meaning that all of it runs inside of this promise. If anything throws an exception, our promise will abort