Added newline to end of approved files under keyword and api approvaltests

Author: emanlove

utest/test/api/approved_files/PluginDocumentation.test_many_plugins.approved.txt

@@ -378,4 +378,4 @@ This is heading 1 documentation.
 
 = Plugin: my_lib_args =
 
-No plugin documentation found.
+No plugin documentation found.

utest/test/api/approved_files/PluginDocumentation.test_parse_plugin_init_doc.approved.txt

@@ -14,4 +14,4 @@ SeleniumLibrary can be imported with several optional arguments.
   Allows extending the SeleniumLibrary with external Python classes.
 - ``event_firing_webdriver``:
   Class for wrapping Selenium with
-  [https://seleniumhq.github.io/selenium/docs/api/py/webdriver_support/selenium.webdriver.support.event_firing_webdriver.html#module-selenium.webdriver.support.event_firing_webdriver|EventFiringWebDriver]
+  [https://seleniumhq.github.io/selenium/docs/api/py/webdriver_support/selenium.webdriver.support.event_firing_webdriver.html#module-selenium.webdriver.support.event_firing_webdriver|EventFiringWebDriver]

utest/test/api/approved_files/PluginDocumentation.test_parse_plugin_kw_doc.approved.txt

@@ -33,4 +33,4 @@ Examples:
 | `Execute JavaScript` | window.myFunc('arg1', 'arg2') |
 | `Execute JavaScript` | ${CURDIR}/js_to_execute.js    |
 | `Execute JavaScript` | alert(arguments[0]); | ARGUMENTS | 123 |
-| `Execute JavaScript` | ARGUMENTS | 123 | JAVASCRIPT | alert(arguments[0]); |
+| `Execute JavaScript` | ARGUMENTS | 123 | JAVASCRIPT | alert(arguments[0]); |

utest/test/keywords/approved_files/JavaScriptKeywordsTest.test_get_javascript.approved.txt

@@ -1 +1 @@
-codehere + []
+codehere + []

utest/test/keywords/approved_files/JavaScriptKeywordsTest.test_get_javascript_no_code.approved.txt

@@ -1 +1 @@
-JavaScript code was not found from code argument.
+JavaScript code was not found from code argument.