resolved conflicts in overview.html overview.ts and springbatchPlugin.ts and merged feature/HAWT-5 into feature/HAWT-13. Ref# HAWT-13
test script spring batch. Ref# HAWT-18
commit for missing back buttons .Ref#HAWT-24
 missing back buttons(Done) .Ref#HAWT-24
implemented test script for  navbar controller. Ref# HAWT-18
added servlet for exporting context. Ref# HAWT-22
refactored. Ref# HAWT-22
refactored for export link on context screen and to pass the server info to the exportContext servlet. Ref# HAWT-22
 Commit for job Context view - look the same as mconsole .Ref#HAWT-20
implemented code to export raw json data of the job execution context. Ref# HAWT-22
implemented logic to parse string to the json object and retrieve entry key. Ref# HAWT-22
 Commit for job Context view - look the same as mconsole .Ref#HAWT-20
refactored. Ref# HAWT-22
added drop down menu for export. Ref# HAWT-22
refactored. Ref# HAWT-22
added helper methods and logic for retrieving the key from entry list. Ref# HAWT-22
 Commit for job Context view - look the same as mconsole .Ref#HAWT-20
implemented logic for retrieving the json data and parse it to csv format. Ref# HAWT-22
 Commit for job Context view - look the same as mconsole .Ref#HAWT-20
implemented logic to parse error_messages json to csv format. Ref# HAWT-22