Merge branch 'impovement' into Development
Temp commit during server data querying function implement

1. add bookInfo object in model group to save BookInfo data
2. add AFNetworking lib to handle server data querying
Add Data Merge function

To merge the data from server and core data
Fix row selection error

To rewrite the main table view controller
Minor UI tuning
Fix : Updata booklist after adding new book into DB
Casper add for Network Indicator

1. Add temp icon
2. Add Network indicator
Merge branch 'Development' into impovement
Improve Book Search efficiency

Add test view to implement new model,
Wait to merge to the Input View
Use new book search model in InputViewController
Merge branch 'impovement' into Development
Minor source code tuneing
add multiple search result array

fix Html parser issue (when the node is nil, the engine crashed.
Merge branch 'Development' into impovement
Add tableCell controller & view to customize table cell
Minor fix

1. fix nil node in http parser
2. add Table Cell
3. fix Find ISBN barcode issue
Add BookCoverImage in table view

1. add notification to indicate that cover image has been downloaded
2. add image view in table view controller
Merge branch 'impovement' into Development
build up multiple search table

insert each search result into "_SearchResultTable"
Fix sync crash