renamed a bunch of enums to follow c# conventions
Standardized enums by the c# naming convention
added string enum converter
Merge branch 'feature/normalize-enums' of github.com:elasticsearch/elasticsearch-net into feature/normalize-enums

Conflicts:
	src/Nest/Domain/Mapping/Attributes/ElasticPropertyAttribute.cs
	src/Nest/Nest.csproj
fixed post merge build errors
added StringEnumConverters to the remaining enums
Replaced all the Enum.GetNames to extension method taking into account EnumMember, fix #739 fix #740
Remove Options suffix from all the generated enums, less smurfing and clearer public API
Delete unused file
Merge pull request #744 from elasticsearch/feature/normalize-enums

Feature/normalize enums
Exclude empty folders from project file
BasePathDescriptor did not properly ignore requestParameters causing it to be appended to some of the API requests
Merge branch 'develop' of github.com:elasticsearch/elasticsearch-net into develop
GetAliases OIS
AnalyzeRequest OIS version
started on bulk OIS
Merge branch 'develop' into feature/object-initializer-syntax

Conflicts:
	src/CodeGeneration/CodeGeneration.LowLevelClient/CodeGeneration.LowLevelClient.csproj
	src/Nest/DSL/Bulk/BulkUpdateDescriptor.cs
	src/Nest/DSL/CountDescriptor.cs
	src/Nest/DSL/SearchDescriptor.cs
	src/Nest/DSL/_Descriptors.generated.cs
	src/Nest/Nest.csproj
	src/Tests/Nest.Tests.Unit/Core/Bulk/BulkTests.cs
	src/Tests/Nest.Tests.Unit/Core/Bulk/BulkUrlTests.cs
post merge fixes, fixed bulk operation unit tests
finished Bulk() OIS version