set use bom for csv file (SpartnerNL#844)

* add set useBom config

* add set use bom for csv file

Merge pull request SpartnerNL#708 from codewizz/patch-1

Added an explicit row manipulation methods

No more php5.4 support

Ability to set the encoding for ExcelFile, fixes SpartnerNL#617

Merge pull request SpartnerNL#592 from Maatwebsite/2.0

Merge pull request SpartnerNL#591 from Maatwebsite/master

Merge pull request SpartnerNL#589 from Maatwebsite/2.0

2.0

Merge pull request SpartnerNL#573 from Maatwebsite/2.0

2.0.8

Merge pull request SpartnerNL#522 from Maatwebsite/2.0

2.0.7

Merge pull request SpartnerNL#455 from Maatwebsite/2.0

Workaround for Row is out of range issue, fixes issue SpartnerNL#437

Workaround for Row is out of range issue, fixes issue SpartnerNL#437