Added forCollection and collection binding

[ghost]

still need to get unit tests in place, but uploading for review now, while writing them

[codecov-io]

Codecov Report

Merging #156 into master will increase coverage by 0.03%. The diff coverage is 97.29%.

@@             Coverage Diff              @@
##             master     #156      +/-   ##
============================================
+ Coverage     97.51%   97.54%   +0.03%     
- Complexity      632      636       +4     
============================================
  Files            44       44              
  Lines          1768     1791      +23     
  Branches        205      209       +4     
============================================
+ Hits           1724     1747      +23     
  Misses            7        7              
  Partials         37       37

Impacted Files	Coverage Δ	Complexity Δ
...d/agera/rvadapter/RepositoryPresenterCompiler.java	98.24% <100%> (+0.28%)	13 <3> (+2)	:arrow_up:
...inding/DataBindingRepositoryPresenterCompiler.java	97.7% <95.45%> (+0.47%)	15 <3> (+2)	:arrow_up:

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[ghost]

done (I hope!)