Update Javadoc
Use 'provided' method from propdeps plugin
Fix project URL in test POM
Use Android API level 21 in test POM
Set source compatibility to Java 1.6
Remove commons codec support in Base64Utils

commons codec is unnecessary. android.util.Base64 is always available
on Android 2.2 and higher.
Fix JavaDoc build warnings in ClassUtils
Set minSdkVersion to 8 and maxSdkVersion to 21 in tests
Avoid running reflection related tests on Android 2.2

Android 2.2 (API level 8) has known problems with reflection that were
fixed in Android 2.3 (API level 9)
Partition spring-android-core-test into two test suites

The addition of the comparator and converter packages was overwhelming
some devices and emulators and causing the test runs to force quit.
This commit moves the core util package into its own test suite. Now all
tests run and pass as expected.
Format JavaDoc
Merge in changes to HttpEntity from Spring 3.2
Merge in HTTP client changes from Spring 3.2
Update and improve http client tests
Use https URLs for repositories