Grammar changes

Small grammar improvements
Minor usages of identifier markdown styles
Merge pull request #47 from bartelink/minor-grammar-changes

Grammar changes
Added link to good guidance on contributing.
Merge branch 'master' of https://github.com/ploeh/Albedo
Introduced ReflectionElementExtensions,

to expose extension methods related to producing or consuming IReflectionElement instances.
Added ReflectionElementExtensions.Accept(),

a convience extension method allowing a slightly better experience when visiting a sequence of elements.
Documented ReflectionElementExtensions.Accept()
Introduced ReflectionElementExtensions.GetPropertiesAndFields()
Documented ReflectionElementExtensions.GetPropertiesAndFields()
Renamed ReflectionElementExtensions to ReflectionElementEnvy,

and addressed CA warnings.
Added third logo suggestion.
Added icon URL to .nuspec.
Added Zero29 NuGet package.
Incremented minor version,

in order to indicate that the addition of the Accept and
GetPropertiesAndFields extension methods are new features.
Added ReflectionElementEnvy.GetPublicPropertiesAndFields(),

A convienience method for the very common scenario of querying across all an objects public properties and fields.
Changed GetPublicPropertiesAndFields() default,

to exclude static properties by default; a more typical and expected scenario given the method name.
Incremented minor version,

in order to indicate that the addition of a new
GetPublicPropertiesAndFields overload is a new feature.
Added ReflectionElementEnvy.GetProperMethods(),

providing a more consistent way to perform the common query: methods, excluding property accessors.
Merge branch '43-proper-methods' of https://github.com/adamchester/Albedo into adamchester-43-proper-methods
Incremented minor version,

in order to indicate that the addition of a GetProperMethods extension
method is a new feature.