Initialize working directory before initializing CacheManager so that
CacheMangager will use proper cache directory
Merge pull request #242 from chuckdumont/work2

Initialize working directory before initializing CacheManager so that
Implement gzip of non-aggregated resources
Merge remote-tracking branch 'openntf/master' into work2
Add messages for last modified test failures
Account in unit tests for rounding of last modified times to nearest
second on unix
Merge pull request #245 from chuckdumont/work2

Implement gzip of non-aggregated resources