Merge pull request #65 from arturo-c/2.x-webapp

[SPRINTFIX][#58683852] Change namespace on Service ClientService class.
[#58683852] Fix notices
Merge pull request #68 from dbehrman/notices_2x_webapp

[#58683852] Fix notices
[#68672988] Added new group products GET endpoint.
Merge pull request #70 from jamesiarmes/group-products-webapp

[#68672988] Added new group products GET endpoint.
[#68681988] Added product_title parameter for add to cart.
Merge pull request #73 from bdlangton/68681988-webapp2

[SPRINTFIX][#68681988] Added product_title parameter for add to cart.
[#68681988] Updated product_title to line_item_title.
Merge pull request #77 from bdlangton/68681988-webapp2

[SPRINTFIX][#68681988] Updated product_title to line_item_title.
[#66085114] Add base path for API v2.
Merge pull request #81 from albertvolkman/2.x-webapp

[#66085114] Add base path for API v2.
[#73344850] Fix event object case insensitive compare of fields.