Updated Readme
another change to readme file
Merge pull request #1 from mongodeveloper/r2.4.9-rc0-ppc

another change to readme file
Merge pull request #2 from corentinbaron/r2.4.9-ppc

Rebase of China's code on 2.4.9
Merge pull request #3 from corentinbaron/r2.4.9-ppc

Additional fix for mongo to compile
fix sharding issue
forget the struct and some code indention
some code indention
Merge pull request #4 from jackyh/r2.4.9-rc0-ppc

fix sharding issue
fix index issue
Merge pull request #5 from jackyh/r2.4.9-rc0-ppc

minor change. Merging it ..
Merge remote-tracking branch 'upstream/r2.4.9-rc0-ppc' into r2.4.9-ppc
Merge pull request #6 from corentinbaron/r2.4.9-ppc

Fixed crash with BSONCodeWScope
Fix tetscases related to timestamp
Merge pull request #7 from mongodeveloper/r2.4.9-rc0-ppc

Fix tetscases related to timestamp
Merge remote-tracking branch 'upstream/r2.4.9-rc0-ppc' into r2.4.9-ppc
Fixed OpTime for Big endian systems