[docs] refs skycoin#51 Adding some make targets to README

Makefile

@@ -183,8 +183,7 @@ install-deps-skyapi-Darwin:
 
 install-deps-libc: install-deps-libc-$(OSNAME)
 
-install-deps-skyapi: install-deps-skyapi-$(UNAME_S)
-#	(cd build && wget http://curl.haxx.se/download/curl-7.58.0.tar.gz && tar -xvf curl-7.58.0.tar.gz && cd curl-7.58.0/ && bash ./configure && make && sudo make install)
+install-deps-skyapi: install-deps-skyapi-$(UNAME_S) ## Install skyapi(libcurl based) library.
 	(cd build && git clone https://github.com/uncrustify/uncrustify.git && cd uncrustify && mkdir build && cd build && cmake .. && make && sudo make install)
 
 install-deps-libc-linux: configure-build ## Install locally dependencies for testing libskycoin

README.md

@@ -97,10 +97,8 @@ After that, run `make docs` for a new docs generation. You can found the api doc
 |install-linters-Darwin        |Install linters on Mac OSX|
 |install-deps-Linux            |Install deps on GNU/Linux|
 |install-deps-Darwin           |Install deps on Mac OSX|
-|install-libraries-deps        |Install deps for `lib\curl` wrapper of Skycoin REST API|
 |install-linters               |Install linters|
 |install-deps-libc-linux       |Install locally dependencies for testing libskycoin|
-|install-lib-curl              |Install Sky Api curl based rest wrapper|
 |install-deps-libc-osx         |Install locally dependencies for testing libskycoin|
 |format                        |Formats the code. Must have goimports installed (use make install-linters).|
 |clean-libc                    |Clean files generate by library|