modulize code by creating widgets
Added JE widget
Added logic to JE Widget to prevent empty lines, out-of-balance
Moved Widgets in views/widgets; fixed logic in AMWidget to initialize new
GL with zero
Added GL Detail Widget with filter and search function
Removed duplicate file
Added P&L Widget and ability to filter by date
Merge branch 'master' of https://github.com/chikeichan/angular-book