Created option for clearing results when remote request error occurs

Merge pull request #23 from leoangelo/master

WPR-862: Introduction of the clearResultsOnError attribute

Fixed recent location list is shown along with Business/Surname autosuggest

Merge pull request #22 from VivekKhandre/WPR-821

WPR-821:Recent location list is shown along with Business/Surname aut…

WPR-819-2: Merge pull request #19 from VivekKhandre/master

WPR-819: Fix for placeholder text delay to synch with other actions

v2.0.4: Merge pull request #18 from VivekKhandre/master

WPR-819 fixed placeholder text overlapping with input value.

WPR-696: Merge pull request #16 from VivekKhandre/master

WPR-696: Single character issue fix

WPR-676: Merge pull request #15 from VivekKhandre/master

WPR-676 & WPR-696

WPR-64: Merge pull request #2 from bulbulas/master

add undefined check when using ng-required