refs #8268 Add about us to static page
refs #8265 Translate some text into english
refs #Task8263 Ky of task
ref #Task8266 change perpage
refs #8260 Translate some text into english
refs #8268 Add about us to static page - Fix grammar
Task8263 Design for help page
Merge pull request #31 from tmhnframgia/task8268

Task8268
Merge pull request #30 from Poseidon1509/8265

refs #8265 Translate some text into english
Merge pull request #27 from MuiNV54/task8266

ref #Task8266 change perpage
Merge pull request #29 from kynm/task8263

refs #Task8263
Merge pull request #33 from cuong48d/8260

refs #8260 Translate some text into english
refs #Task8262 change paginate
Merge pull request #28 from NguyenHue/task8262

refs #Task8262 change paginate
refs #8269
refs #8269
refs #8269
edit gemfile