Switch from fest-assert to assertj

fix xml indentation in pom
Replace non-exposed fest-reflect usages with vanilla java reflection

add Chris to .pairs
Replace exposed fest-reflect usages with vanilla java reflection

consumers of Robolectric.directlyOn and RobolectricInternals.getConstructor will need to update their
  references to no longer use the fest-reflect Invoker interface.  RobolectricInternals.getConstructor is
  replaced by RobolectricInternals.invokeConstructor.

removed dependency on fest-reflect and fest-util
Remove * imports and commented fest-reflect code
Move error handling in Reflection to ReflectionHelpers
Merge pull request #1338 from ry4n1m3/assertj

Remove all FEST dependencies
removes internal strftime class

Fixes faulty tests. %l should be space padded. If timezone isn't set, parse date in Time's timezone.

closes #1242
Merged with master