add getTimeUnit method
add guava lib
add a new TimeAmount based file appender
Merge pull request #2 from dustismo/master

New File Appender
fix some bugs causing appender to create zillions of empty files
Merge pull request #3 from dustismo/master

bug fixes in new appender
Delete code moved
Cleanup
comments added, name changed of delete var
SEtter removed
callback set to true before callback called
Cleanup
Merge pull request #4 from trendrr/hotfix/timeamountfile

Hotfix/timeamountfile
invalidate after access, not write
Fix so bytes are counted
Merge pull request #5 from dustismo/hotfix/timeamountcache

Fixes some bugs in the timeamount appender
fix bug with date filename
Merge pull request #6 from dustismo/hotfix/timeamountcache

Fix bug where date is not being used
to utf8 string
Merge pull request #7 from MarkG/stringhelper

to utf8 string