Cleanups and formatting fixes
Cleanups and formatting fixes

* Formatted multi-line and complex commands via multi-line blocks and
  line-wrapping for readability and ease of copy-pasting
* Hid URLs behind text links for readability and brevity
* Added missing code formatting, both inline and blocks

google/gson,testcenter/gson,mbrukman/gson,mbrukman/gson,todoooo/gson,gv2011/jsoncore,mbrukman/gson,testcenter/gson,DanySK/gson-extras,testcenter/gson,todoooo/gson,DanySK/gson-extras,DanySK/gson-extras,todoooo/gson