Merge pull request appium#155 from deadmoto/fix-typo

@deadmoto Thank you for the correction and cleaning up.

Author: TikhomirovSergey

.gitignore

@@ -6,6 +6,7 @@ target/classes/*
 target/test-classes/*
 target/surefire-reports/*
 settings.xml
+*.iml
 
 # Eclipse
 /bin

java-client.iml

@@ -143,7 +143,7 @@ public WebElement findElement() {
 }
 List<WebElement> result = waitFor();
 if (result.size() == 0){
-String message = "Cann't locate an element by this strategy: " + by.toString();
+String message = "Can't locate an element by this strategy: " + by.toString();
 throw new NoSuchElementException(message);
 }
 if (shouldCache) {