Update cURL and its OpenSSL to latest version

deleted:    bin/curl.exe
new file:   bin/curl.bat
new file:   bin/curl/curl.exe
new file:   bin/curl/libeay32.dll
new file:   bin/curl/libssh2.dll
new file:   bin/curl/ssleay32.dll
* Updated cURL to 7.36.0
* Updated cURL's OpenSSL to 1.0.1g
* Solved DLL conflicts with other binaries
Fix NSI to support subdirectories of bin
Merge pull request #3 from pschulz/curl-736-ssl-101g

Update cURL to latest version and protect it against Heartbleed

deleted: bin/curl.exe
new file: bin/curl.bat
new file: bin/curl/curl.exe
new file: bin/curl/libeay32.dll
new file: bin/curl/libssh2.dll
new file: bin/curl/ssleay32.dll
modified: setup/Gow.nsi

Updated cURL to 7.36.0
Updated cURL's OpenSSL to 1.0.1g
Solved DLL conflicts with other binaries
Enable the installer scripts to package directories also