Merge pull request #132 from wgerlach/master

ach 	better support for output files
display fix: number of max workunit failures
Update README.md
Update README.md
Update README.md
add job state 'queued' and task state 'in-progress' for less confusion
Merge branch 'master' of https://github.com/wtangiit/AWE
update README
Update README.md
fix for mongodb search query stmt
Merge branch 'master' of https://github.com/wtangiit/AWE
Merge pull request #133 from wtangiit/master

add job state 'queued' and task state 'in-progress' for less confusion
set task compute time to task json, sum of all workunit's compute time (data movement time not included)
set job started time to job.info struct shown in job json
Merge pull request #134 from wtangiit/master

more info in workflow json: task compute time/started time, job started time
Update README.md
Update README.md
write pid file (path-configurable) when process launched (for awe-server/client/proxy)
Merge pull request #135 from wtangiit/master

write pid file (path-configurable) when awe process launched
awe-client status update: separate 'active' into 'active-busy', 'active-idle'