Feature/114 class of property

[robert-bor]

#114 Beanfield class determined by how it will be accessed

Currently, the field property always determines the class of a
BeanProperty. This leads to confusing and faulty behaviour when the
method accessors differentiate from the field, leading, for example,
to the wrong BeanConverters being chosen or the wrong casts being made.
The behaviour should be legitimate, since the developer may choose to
map within a class. BeanMapper must make use of the access knowledge to
determine the class of the BeanProperty.

A BeanProperty will have a notion of how it will be accessed for its role
(either source or target). The possibilities are: field, getter, setter
or no access. The access type will have an influence on the reported
class of the beanfield.

When a BeanProperty is created, it will immediately build up its
understanding of the way its property will be accessed and the class
it must return upon being queried.

The creation process for BeanProperty instances has been abstracted into
its own class. The set of static methods was hard to test and convoluted
with its relatively large number of parameters that is being passed
around.

Structural use of BeanField has been renamed to BeanProperty; a bean
field is one of the two ways a property may be accessed, the other is
through its method accessor (get/set). The property is the combination
of its field and method accessors.

A collection list will no longer be offered for clear/reuse when the
class type of the accessor method differs from the class type of the
field.

[codecov]

Codecov Report

Merging #115 into master will decrease coverage by 0.3%.
The diff coverage is 89.85%.

@@             Coverage Diff              @@
##             master     #115      +/-   ##
============================================
- Coverage     94.05%   93.75%   -0.31%     
- Complexity      808      844      +36     
============================================
  Files            81       87       +6     
  Lines          1700     1776      +76     
  Branches        162      173      +11     
============================================
+ Hits           1599     1665      +66     
- Misses           60       67       +7     
- Partials         41       44       +3

Impacted Files	Coverage Δ	Complexity Δ
...nmapper/core/collections/MapCollectionHandler.java	81.81% <ø> (ø)	6 <0> (ø)	⬇️
...mapper/core/converter/impl/PrimitiveConverter.java	93.75% <ø> (ø)	5 <0> (ø)	⬇️
...apper/exceptions/BeanPropertyNoMatchException.java	100% <ø> (ø)	1 <0> (?)
...anmapper/core/converter/AbstractBeanConverter.java	94.73% <ø> (ø)	9 <0> (ø)	⬇️
...er/core/collections/AbstractCollectionHandler.java	92.3% <ø> (+5.64%)	12 <0> (-1)	⬇️
...r/core/converter/impl/NumberToNumberConverter.java	92% <0%> (ø)	11 <4> (ø)	⬇️
...o/beanmapper/core/BeanPropertyAccessException.java	0% <0%> (ø)	0 <0> (?)
...anmapper/core/inspector/FieldPropertyAccessor.java	71.42% <0%> (ø)	15 <0> (ø)	⬇️
...apper/core/generics/AbstractBeanPropertyClass.java	100% <100%> (ø)	3 <3> (?)
...beanmapper/core/generics/DirectedBeanProperty.java	100% <100%> (ø)	9 <9> (?)
... and 33 more

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