Install subversion 1.7.x in ubuntu and mint

Ubuntu official software repository doesn't have subversion 1.7.x which is required by subclipse 1.8.x.
But you can download all relevant packages from debian repository and install it manually.
Packages required for 64-bit machine are listed below, for 32-bit machine replace amd64 with i386.

1. subversion_1.7.5-1_amd64.deb
2. libsvn1_1.7.5-1_amd64.deb
3. libsvn-java_1.7.5-1_amd64.deb
4. libaprutil1_1.4.1-3_amd64.deb
5. libserf1_1.1.0-2_amd64.deb

Download Link: http://packages.debian.org/ko/sid/subversion
You need to search package name in the search box and then download all packages listed above. Download link are at the end of page with files listed for different architecture machine for example in the below image mouse pointer is located at the file for 64-bit machine.